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Nicki Minaj (@NickiMinaj) - TWEET: "*salutes the nation of Pinkslam* *hugs the barbz* *kisses the barbz*" Nicki Minaj makes her return to Twitter after her dramatic exit a couple weeks ago.(Photo: Neil Mockford/FilmMagic)

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Mariah Carey (@MariahCarey) - TWEET: "very excited to celebrate #dembabies first birthday in a week, I can't even believe it's been a year.. wow!!!… Shopping for Roc & Roe's bday in Paris.. Dembabies dembabies dembabies!" Mariah Carey shares a photo of herself shopping in Paris for her twins first birthday.(Photo: Larry Busacca/Getty Images for Caesars Entertainment)

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Wale (@Wale) - TWEET: "Bout to turn up on ESPN." Wale heads up to the ESPN office for another appearance on the morning sports talk show First Take.(Photo: Johnny Nunez/WireImage)

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Usher (@UsherRaymondIV) - TWEET: "Me and my homie Da Boss @rickyrozay…We got a record that's about to kill everything!!" Usher's announces that he's been working with Rick Ross in the studio.(Photo: Taylor Hill/Getty Images)

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Chris Brown (@chrisbrown) - TWEET: "Team Breezy! The official album date for FORTUNE is July 3, 2012!!!!!!!!!!!!" Chris Brown pushes back the release date for his upcoming album Fortune to July 3. (Photo: Brendon Thorne/Getty Images)

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Monica Brown (@MonicaBrown) - TWEET: "Check out @4everBrandy 's New SMASH feat @chrisbrown "Put it Down" Starz/Doves Let's Get it!!!! RT" Monica spreads the word about Brandy and Chris Brown's new single "Put It Down."(Photo:  Frank Micelotta/PictureGroup)

Photo By Photo:  Frank Micelotta/PictureGroup

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Brandy (@4everBrandy) - TWEET: "@RayJ I love you soo much more!!! Thank you for your contribution to my story on Behind the Music!! You are my life:)" Brandy thanks her brother Ray J for his participation in her Behind the Music special which aired on April 25.(Photo: Frank Micelotta/PictureGroup)

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Tyrese (@Tyrese) - TWEET: "You know how much I love to give back! I'm sharing my my experience in film w/ some talented #SpriteFilms filmmakers @#CinemaCon w/ @Sprite… VEGAS::.. This is crazy I'm staying in the actual room they shot the movie HANGOVER in... My view This look familiar?" While in Vegas, Tyrese tweets about mentoring young filmmakers at CinemaCon from his hotel room.(Photo: Ethan Miller/Getty Images)

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Rev Run (@RevRunWisdom) - TWEET: "Oftentimes haters are just confused admirers .. Ignore em #keepgoin" Rev Run shares some words of wisdom about dealing with haters.(Photo: Jemal Countess/Getty Images)

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Ludacris (@ludacris) - TWEET: "Throwback Thursdays! Lil Luda" Ludacris shares an old photo of himself.(Photo: Brendon Thorne/Getty Images)

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Kanye West (@KanyeWest) - TWEET: "RT @KimKardashian Money tall like Jordan" Kanye West retweeted a photo posted by Kim Kardashian of the couple's matching black pants and Jordan sneakers.(Photo: Pascal Le Segretain/Getty Images)

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T-Boz (@TheRealTBOZ) - TWEET: "Well thanx everyone overseas & over here lol he he 4 the bday wishs I will be 42 tomm & happy about it being told I would'nt make it to 30." T-Boz is thankful for life on the anniversary of Left-Eye's death, April 25.(Photo: Arnold Turner/WireImage)

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Chilli (@officialchilli) - TWEET: "Thank u all so much for ur kind words...and thank u for always remembering our sister, 'Lisa Left Eye Lopes' TLC is 4eva!!!!!" Chilli thanks her fans for showing her deceased group mate, Lisa "Left Eye" Lopes, so much love. (photo: John Ricard/BET)

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Rihanna (@rihanna) - TWEET: "Mumz surprised me for #TIME100" Rih Rih's mom made a surprise appearance at the Time 100 Gala, honoring the stars featured on this year's Time magazine 100 Most Influential People list. (Photo: Fernando Leon/Getty Images for TIME)

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Carmen Bryan (@CarmenBryan) - TWEET: "Just heard 'Daughters' by Nas. What a disappointment! He had nothing positive to say about our daughter and his depiction of her is false!" The mother of Nas's daughter tweets her reaction to his song "Daughters."(Photo: VH-1)