Hookups and Breakups of 2013: Kerry Washington, Zoe Saldana and Rihanna

Another roller coaster year of celebrity relationships.

Hookups and Breakups of 2013 - A year is an infinite amount of time when it comes to celebrity relationships, so its no surprise that many of our favorite stars have swapped partners multiple times over the past 12 months. Let's take a look at some of the most notable hookups and breakups of the year. (Photo: Christopher Polk/Getty Images for NARAS)

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Hookups and Breakups of 2013 - A year is an infinite amount of time when it comes to celebrity relationships, so its no surprise that many of our favorite stars have swapped partners multiple times over the past 12 months. Let's take a look at some of the most notable hookups and breakups of the year. (Photo: Christopher Polk/Getty Images for NARAS)

Zoe Kravitz and Penn Badgley - Lenny's little girl is a heartbreaker. The actress cut loose her boyfriend of two years this past June, with sources saying the pair didn't work out because they are at "two different stages of their careers" and didn't have time for one another. But a PDA-packed vacation in Rome just a few months later had us wondering if the pair are giving it a second chance. (Photo: Jamie McCarthy/WireImage/Getty Images)

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Zoe Kravitz and Penn Badgley - Lenny's little girl is a heartbreaker. The actress cut loose her boyfriend of two years this past June, with sources saying the pair didn't work out because they are at "two different stages of their careers" and didn't have time for one another. But a PDA-packed vacation in Rome just a few months later had us wondering if the pair are giving it a second chance. (Photo: Jamie McCarthy/WireImage/Getty Images)

Kordell Stewart on his former marriage to Porsha Williams:  - “She’s so disrespectful. I did nothing but try to help the girl. She’d leave for five to 10 days at a time — just gone because she’s mad! And guess where she goes…she goes to her mama’s house.”(Photo: Paras Griffin/Landov)

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Porsha and Kordell Stewart - Think your breakup was bad? Unless you got dumped via social media, you've got nothing on Porsha Stewart. The Real Housewives of Atlanta star found out her NFL player husband was serving her with divorce papers via Twitter, and has been in shock ever since. It's no surprise the split isn't exactly amicable, with each party hurling rumors of infidelity and abuse. (Photo: Paras Griffin /Landov)

Bradley Cooper and Zoe Saldana - This on-off couple finally put a cherry on it this year, breaking up for good in the spring.  Last year, there were rumors of wedding bells.  The Academy Award nominated actor and the Avatar beauty offered no details on why they ended their romance.    (Photo: Frederick M. Brown/Getty Images)

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Bradley Cooper and Zoe Saldana - This on-off couple finally put a cherry on it this year, breaking up for good in the spring.  Last year, there were rumors of wedding bells.  The Academy Award nominated actor and the Avatar beauty offered no details on why they ended their romance.   (Photo: Frederick M. Brown/Getty Images)

Zoe Saldana and Marco Perego - Determined to keep us on our toes, Saldana followed up her attention-grabbing comments about "ending up with a woman, raising my children" with a secret wedding to a hunky Italian artist who (reportedly) got her face tattooed on his body. If the actress doesn't want us prying into her love life, maybe she shouldn't make it so damn interesting!(Photos from left: Jason Merritt/Getty Images for LACMA, Dave M. Benett/Getty Images)

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Zoe Saldana and Marco Perego - Determined to keep us on our toes, Saldana followed up her attention-grabbing comments about "ending up with a woman, raising my children" with a secret wedding to a hunky Italian artist who (reportedly) got her face tattooed on his body. If the actress doesn't want us prying into her love life, maybe she shouldn't make it so damn interesting!(Photos from left: Jason Merritt/Getty Images for LACMA, Dave M. Benett/Getty Images)

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Justin Bieber and Selena Gomez - Their relationship was the stuff of teenage dreams, but are we really surprised it didn't last? Justin, 19, and Selena, 21, split in January, reportedly hooked up again in July but then finally called things off for good later that month. While Gomez put her focus on work after the split, Bieber seems to be sowing his (very) wild oats. (Photo: Kevin Mazur/TCA 2012/WireImage/Getty Images)

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Justin Bieber and Selena Gomez - Their relationship was the stuff of teenage dreams, but are we really surprised it didn't last? Justin, 19, and Selena, 21, split in January, reportedly hooked up again in July but then finally called things off for good later that month. While Gomez put her focus on work after the split, Bieber seems to be sowing his (very) wild oats. (Photo: Kevin Mazur/TCA 2012/WireImage/Getty Images)

Khloe Kardashian and Lamar Odom - After months of living separate lives, this once-unbreakable couple finally bit the dust. Khloe and Lamar have been estranged since news of his infidelities and drug use hit the web this past June, and by December 13, the reality star pulled the trigger and filed for divorce. Hopefully the new year will bring a fresh start to both.  (Photo: Ivan Nikolov/WENN.com)

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Khloe Kardashian and Lamar Odom - After months of living separate lives, this once-unbreakable couple finally bit the dust. Khloe and Lamar have been estranged since news of his infidelities and drug use hit the web this past June, and by December 13, the reality star pulled the trigger and filed for divorce. Hopefully the new year will bring a fresh start to both. (Photo: Ivan Nikolov/WENN.com)

Kim Kardashian and Kris Humphries - This over-exposed couple put an end to their marriage back in 2011 — 72 days after they said "I Do," as a matter of fact — but the split wasn't finalized until this past April. With her ex's cooperation, and the judge's signature on the divorce papers, Kardashian was free and clear to start a family with boyfriend Kanye West.(Photo: Pascal Le Segretain/Getty Images)

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Kim Kardashian and Kris Humphries - This over-exposed couple put an end to their marriage back in 2011 — 72 days after they said "I Do," as a matter of fact — but the split wasn't finalized until this past April. With her ex's cooperation, and the judge's signature on the divorce papers, Kardashian was free and clear to start a family with boyfriend Kanye West.(Photo: Pascal Le Segretain/Getty Images)

Miley Cyrus and Liam Hemsworth - She may have twerked her way into the hearts of millions, but Miley Cyrus had to sacrifice her relationship with Aussie hunk Hemsworth on the road to superstardom. While the Hunger Games star reportedly cheated on Cyrus with actress January Jones, and wasted no time rebounding with Mexican beauty Eiza Gonzalez, the "Wrecking Ball" singer isn't exactly drowing her sorrows in ice cream. She's been linked with everyone from producer Mike Will Made It to Rolling Stone heir Theo Wenner. (Photo: Jon Kopaloff/FilmMagic/Getty Images)

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Miley Cyrus and Liam Hemsworth - She may have twerked her way into the hearts of millions, but Miley Cyrus had to sacrifice her relationship with Aussie hunk Hemsworth on the road to superstardom. While the Hunger Games star reportedly cheated on Cyrus with actress January Jones, and wasted no time rebounding with Mexican beauty Eiza Gonzalez, the "Wrecking Ball" singer isn't exactly drowing her sorrows in ice cream. She's been linked with everyone from producer Mike Will Made It to Rolling Stone heir Theo Wenner. (Photo: Jon Kopaloff/FilmMagic/Getty Images)

Rita Ora and Rob Kardashian - The Kardashians are known for making their private life public, but Kim's brother Rob may have taken things too far when he trashed his ex Rita Ora all over social media. The reality star accused the Roc Nation singer of cheating with multiple men, terminating pregnancies and even giving him an STD. Some say Kardashian lashed out because Ora dumped him without ever acknowledging their relationship.   (Photos from left: David M. Benett/Getty Images, Isaac Brekken/Getty Images)

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Rita Ora and Rob Kardashian - The Kardashians are known for making their private life public, but Kim's brother Rob may have taken things too far when he trashed his ex Rita Ora all over social media. The reality star accused the Roc Nation singer of cheating with multiple men, terminating pregnancies and even giving him an STD. Some say Kardashian lashed out because Ora dumped him without ever acknowledging their relationship.  (Photos from left: David M. Benett/Getty Images, Isaac Brekken/Getty Images)

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Chris Brown and Rihanna - We have whiplash from trying to keep up with the relationship status of these star-crossed lovers. RiRi shocked — and, in some cases, disappointed — fans by getting back together with Brown, who reportedly beat her bloody in 2009.  However, it wasn't long before their volatile relationship came to a screeching halt once again.  Will the breakup last this time or is another reconciliation in the works?  (Photo: Noel Vasquez/Getty Images)

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Chris Brown and Rihanna - We have whiplash from trying to keep up with the relationship status of these star-crossed lovers. RiRi shocked — and, in some cases, disappointed — fans by getting back together with Brown, who reportedly beat her bloody in 2009.  However, it wasn't long before their volatile relationship came to a screeching halt once again.  Will the breakup last this time or is another reconciliation in the works?  (Photo: Noel Vasquez/Getty Images)

Taye Diggs and Idina Menzel  - These two met in the Broadway musical production of Rent in 1996 and later co-starred in the 2005 film version. Diggs and Menzel married in 2003 and have one son.  (Photo: Jason Merritt/Getty Images for Alzheimer's Association)

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Taye Diggs and Idina Menzel - The king of the Black rom-com is flying solo these days following his split from Idina Menzel, his wife of ten years. The couple, who met when they worked together on the Broadway show Rent in the 1990s, have a son together.Thankfully, for his sake, the split seems amicable.(Photo by Jason Merritt/Getty Images for Alzheimer's Association)

Karrueche Tran and Chris Brown - We thought Karrueche Tran landed herself a one-way ticket to obscurity when Chris Brown dumped her for Rihanna earlier this year, but we clearly spoke too soon. The F.A.M.E. singer is back with his girl in a big way. Wonder how RiRi feels about that!(Photo: Karrueche Tran via Instagram)

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Karrueche Tran and Chris Brown - We thought Karrueche Tran landed herself a one-way ticket to obscurity when Chris Brown dumped her for Rihanna earlier this year, but we clearly spoke too soon. The F.A.M.E. singer is back with his girl in a big way. Wonder how RiRi feels about that!(Photo: Karrueche Tran via Instagram)

Kerry Washington and Nnamdi Asomugha - Like her television alter-ego Olivia Pope, Washington knows how to keep a secret. The Scandal star gave gossip mongers the slip this summer and secretly wed Asomugha.  Nobody outside of her inner circle even knew she was dating the NFL player. A few months later, she did it again when she managed to keep her pregnancy a secret.  (Photos from left: Jon Kopaloff/FilmMagic/Getty Images, Vincent Sandoval/FilmMagic/Getty Images)

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Kerry Washington and Nnamdi Asomugha - Like her television alter-ego Olivia Pope, Washington knows how to keep a secret. The Scandal star gave gossip mongers the slip this summer and secretly wed Asomugha.  Nobody outside of her inner circle even knew she was dating the NFL player. A few months later, she did it again when she managed to keep her pregnancy a secret. (Photos from left: Jon Kopaloff/FilmMagic/Getty Images, Vincent Sandoval/FilmMagic/Getty Images)

Tiger Woods and Lindsay Vonn - Who says you can't find love again after being taken down in an epic cheating scandal? With his golf game back on top, Tiger Woods got a new lease on life when he hooked up with his fellow athlete Vonn. The couple seem — inexplicably — to be making it work. (Photo: Rabbani and Solimene Photography/WireImage/Getty Images)

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Tiger Woods and Lindsay Vonn - Who says you can't find love again after being taken down in an epic cheating scandal? With his golf game back on top, Tiger Woods got a new lease on life when he hooked up with his fellow athlete Vonn. The couple seem — inexplicably — to be making it work. (Photo: Rabbani and Solimene Photography/WireImage/Getty Images)

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Jaden Smith and Kylie Jenner - Power couple in the making! The youngest member of the Kardashian-Jenner clan got into the family business when she started dating Will Smith's son in June. While any side-eye is certainly warranted, its hard not to find these two teens in love completely adorable. (Photo: Steve Granitz/WireImage/Getty Images)

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Jaden Smith and Kylie Jenner - Power couple in the making! The youngest member of the Kardashian-Jenner clan got into the family business when she started dating Will Smith's son in June. While any side-eye is certainly warranted, its hard not to find these two teens in love completely adorable. (Photo: Steve Granitz/WireImage/Getty Images)

Chanel Iman and A$AP Rocky - The model and rapper first went public with their love in February, when Iman posted a cute Instagram pic of her and Rocky — wearing matching kicks — looking very coupled up. Almost a year later, they're still going strong.(Photo: Brian Killian/WireImage/Getty Images)

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Chanel Iman and A$AP Rocky - The model and rapper first went public with their love in February, when Iman posted a cute Instagram pic of her and Rocky — wearing matching kicks — looking very coupled up. Almost a year later, they're still going strong.(Photo: Brian Killian/WireImage/Getty Images)

Ashlee Simpson announcing her engagement to Evan Ross:  - "My baby love and I are engaged!"   (Photo: Michael Tran/FilmMagic)

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Evan Ross and Ashlee Simpson - Ashlee Simpson is already a star, but if things continue to go well with her beau Evan Ross, she may soon become a part of pop music royalty. The singer started dating Diana Ross' son in July, and things recently took a turn for the very serious when Ross proclaimed Simpson is "the one" and that wedding bells are "for sure" in their near future.  (Photo: Michael Tran/FilmMagic/Getty Images)