Star Style Transformations of 2011

See the celebs who switched up their fashion game this year.

Beyoncé - Beyoncé’s wardrobe received a major change when the singer announced that she and Jay-Z are expecting their first child. But even with her growing baby bump, the "Countdown" singer has been moving toward her due date with style and grace. (Photos from left: Fernando Leon/PictureGroup, PNP/ WENN.com)

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Beyoncé - Beyoncé’s wardrobe received a major change when the singer announced that she and Jay-Z are expecting their first child. But even with her growing baby bump, the "Countdown" singer has been moving toward her due date with style and grace. (Photos from left: Fernando Leon/PictureGroup, PNP/ WENN.com)

Kelly Rowland - As a judge on the U.K.'s version of X Factor, Kelly Rowland is back under the spotlight and her style has had received a sexy transformation of its own. The singer has never looked better and more confident.(Photos from left: John M. Heller/Getty, Nikki Houghton/FilmMagic)

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Kelly Rowland - As a judge on the U.K.'s version of X Factor, Kelly Rowland is back under the spotlight and her style has had received a sexy transformation of its own. The singer has never looked better and more confident.(Photos from left: John M. Heller/Getty, Nikki Houghton/FilmMagic)

Jennifer Hudson - Jennifer Hudson stunned us all when she shed the pounds through Weight Watchers. Now the singer can be seen in figure-flattering, fashion-forward styles that complement her new body.(Photos from left to right: Roger Kisby Getty Images, Neilson Barnard/Getty Images)

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Jennifer Hudson - Jennifer Hudson stunned us all when she shed the pounds through Weight Watchers. Now the singer can be seen in figure-flattering, fashion-forward styles that complement her new body.(Photos from left to right: Roger Kisby Getty Images, Neilson Barnard/Getty Images)

Rihanna - Rihanna has decided to step back from the bold and sexy image and tone things down a bit to avoid becoming "a gimmick." Her simpler look is more natural as she hopes people focus on her music rather than her clothes or hairstyle of the moment.(Photos from left: C.Smith/ WENN.com, Fame Pictures)

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Rihanna - Rihanna has decided to step back from the bold and sexy image and tone things down a bit to avoid becoming "a gimmick." Her simpler look is more natural as she hopes people focus on her music rather than her clothes or hairstyle of the moment.(Photos from left: C.Smith/ WENN.com, Fame Pictures)

Photo By Photos from left: C.Smith/ WENN.com

Keri Hilson - The self-proclaimed tomboy once told VH1 that she never likes to be too girly and even when wearing heels, "there's a certain masculine meets feminine factor." Something has clearly changed for the "Pretty Girl Rock" singer this year because she's been rocking some pretty and sweet looks in 2011.(Photos from left to right: erritt Clark/Getty Images, Frank Micelotta/PictureGroup) 

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Keri Hilson - The self-proclaimed tomboy once told VH1 that she never likes to be too girly and even when wearing heels, "there's a certain masculine meets feminine factor." Something has clearly changed for the "Pretty Girl Rock" singer this year because she's been rocking some pretty and sweet looks in 2011.(Photos from left to right: erritt Clark/Getty Images, Frank Micelotta/PictureGroup) 

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Jill Scott - Jill Scott also experienced a dramatic weight loss and this year the soulful singer traded in her big, flowy pieces and eclectic wardrobe to much trendier, form-fitting and chic options.(Photos from left: Neilson Barnard/Getty Images, Kyle Petrozza/PictureGroup)

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Jill Scott - Jill Scott also experienced a dramatic weight loss and this year the soulful singer traded in her big, flowy pieces and eclectic wardrobe to much trendier, form-fitting and chic options.(Photos from left: Neilson Barnard/Getty Images, Kyle Petrozza/PictureGroup)

Nene Leakes - The Housewives of Atlanta star's style this year can be described as sophisticated, sleek and fabulous. We think her stint on Trump’s Apprentice helped to tone down her mean girl persona from wicked to working woman.(Photos from left: Astrid Stawiarz/Getty Images, Frank Micelotta/PictureGroup)

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Nene Leakes - The Housewives of Atlanta star's style this year can be described as sophisticated, sleek and fabulous. We think her stint on Trump’s Apprentice helped to tone down her mean girl persona from wicked to working woman.(Photos from left: Astrid Stawiarz/Getty Images, Frank Micelotta/PictureGroup)

Tracee Ellis Ross  - She might be turning 40 next year, but the actress is taking age in stride as her looks continue to evolve. This year the Reed Between the Lines star has opted for more glam and sexy styles that don't come off as trying too hard.(Photos from left to right: D Dipasupil/Getty Images, John Amis/PictureGroup)

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Tracee Ellis Ross - She might be turning 40 next year, but the actress is taking age in stride as her looks continue to evolve. This year the Reed Between the Lines star has opted for more glam and sexy styles that don't come off as trying too hard.(Photos from left to right: D Dipasupil/Getty Images, John Amis/PictureGroup)

Solange Knowles - Beyoncé’s little sister is definitely not afraid to get funky. Solange's looks this year featured bold prints on prints and fun colors paired with wild hair. Her fashion inspirations: Diana Ross and her mom during the '60s and '70s, who was "a total rebel with her style."(Photos from left: John Amis/PictureGroup, Carly Otness/BFAnyc/Sipa Press/)

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Solange Knowles - Beyoncé’s little sister is definitely not afraid to get funky. Solange's looks this year featured bold prints on prints and fun colors paired with wild hair. Her fashion inspirations: Diana Ross and her mom during the '60s and '70s, who was "a total rebel with her style."(Photos from left: John Amis/PictureGroup, Carly Otness/BFAnyc/Sipa Press/)

Carmelo Anthony - Carmelo had a hard time going to fashion shows as a Denver Nugget — until he was traded to the Knicks in February 2011 and moved to NYC. "I'm just going to events that I would normally go to, but now that I'm here in New York it's magnified times ten," Anthony said in the October issue of GQ. It looks like he was taking notes on how to clean up his style while at this fall's Fashion Week.(Photos from left: Gregg DeGuire/PictureGroup, Larry Busacca/Getty Images)

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Carmelo Anthony - Carmelo had a hard time going to fashion shows as a Denver Nugget — until he was traded to the Knicks in February 2011 and moved to NYC. "I'm just going to events that I would normally go to, but now that I'm here in New York it's magnified times ten," Anthony said in the October issue of GQ. It looks like he was taking notes on how to clean up his style while at this fall's Fashion Week.(Photos from left: Gregg DeGuire/PictureGroup, Larry Busacca/Getty Images)