Selena Gomez

May 14, 2014

Selena Gomez has transformed from fresh-faced Disney kid to one of the best-dressed young stars in Hollywood -- spending a couple years as Justin Bieber's girlfriend in between. See her stunning looks, then and now.

Credit: AP / Marion Curtis

Selena Gomez at the American Ballet Theatre Opening Night Spring Gala on Monday, May 12, 2014 in New York City.

Credit: Getty Images / Neilson Barnard

Selena Gomez attends the "Charles James: Beyond Fashion" Costume Institute Gala on May 5, 2014 at the Metropolitan Museum of Art in Manhattan.

Selena Gomez

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Selena Gomez attends the 2014 Vanity Fair Oscar Party hosted by Graydon Carter on March 2, 2014 in West Hollywood, Calif.

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Selena Gomez attends the Hollywood Stands Up To Cancer Event hosted by Jim Toth and Reese Witherspoon and the Entertainment Industry Foundation on Tuesday, Jan. 28, 2014 in Culver City, Calif.

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Selena Gomez at the 2014 Sundance Film Festival on Jan. 20, 2014, in Park City, Utah.

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Selena Gomez performs at Z100's Jingle Ball on Dec. 13, 2013, at Madison Square Garden in Manhattan.

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Selena Gomez sings at halftime during the Salvation Army's Red Kettle Kick-Off Show on Thanksgiving during an NFL game between the Oakland Raiders against the Dallas Cowboys on Thursday, Nov. 28, 2013, at AT&T Stadium in Arlington, Texas.

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Selena Gomez arrives at Flaunt Magazine's "The Battle Issue" party at Hakkasan on Thursday, Nov. 7, 2013, in Beverly Hills, Calif.

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Selena Gomez is greeted by Dallas Cowboys owner Jerry Jones before the Cowboys' NFL game against the Minnesota Vikings on Sunday, Nov. 3, 2013, in Arlington, Texas.

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Selena Gomez kicks off The Salvation Army’s 123rd Red Kettle Campaign on Sunday, Nov. 3, 2013, at AT&T Stadium in Arlington, Texas.

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Selena Gomez performs during her Stars Dance World Tour at the BB&T Center on Oct. 29, 2013, in Sunrise, Fla.

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"Getaway" star Selena Gomez attends the film's Aug. 26, 2013, premiere at the Regency Village Theatre in Westwood, Calif.

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Selena Gomez at the 2012 MuchMusic Video Awards on June 17, 2012 in Toronto.

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Selena Gomez arrives at the 53rd Grammy Awards on Sunday, Feb. 13, 2011, in Los Angeles.

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Selena Gomez and Dave Grohl announce the nominees for song of the year at the Grammy nominations concert on Wednesday, Dec. 1, 2010 in Los Angeles.