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OTRC: Jordin Sparks shows off bikini body - What do you think? (Photos)

Jordin Sparks appears in a still from her 'American Idol' audition. / Jordin Sparks appears in a photo posted on her Twitter account on May 1, 2011. (Fox / Twitter.com/TheRealJordin)

Jordin Sparks, who was the sixth season winner of 'American Idol,' debuted a newly slimmed-down bikini body on Twitter this weekend.

"I don't know why but my bathing suit reminds me of fruity pebbles." Sparks wrote on Twitter.

Sparks revealed to her fans that she had purchased the polka dot bandeau bikini top at Target and the polka dot bottoms at Old Navy. Reports guess that the singer has lost about 30 pounds.

"It was just a shift in my thinking. Instead of talking about being more active, I just got up and did it," Sparks told People magazine. "There's no secret... Anybody can do it."

The 21-year-old singer previously modeled for plus-size store Torrid, told with People magazine back in 2007, "I learned that I'm not ever going to be a size 2. I would look so weird as a size 2. Somebody would blow and I would fall right over. It just wouldn't be healthy."

Fellow "American Idol" alums Kelly Clarkson and Jennifer Hudson have battled weight loss issues in the past. Hudson is also known as a national spokes model for "Weight Watchers" and has lost about 50 pounds over the past year.

Sparks was 17-years-old when she won the reality singing competition, which makes her the youngest winner in the show's history. Her single "No Air" is the highest selling single from any "American Idol" contestant and she received an American Music Award in 2008 and a Grammy nomination the following year.

In 2007, she released her self-titled debut album, which went platinum and sold over 2 million copies. Her second album, "Battlefield" was released in 2009 and sold almost 2 million copies worldwide.

What do you think of Sparks' new look? Vote in our poll below.

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