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OTRC: Jessica Simpson, Eric Johnson welcome baby girl, Maxwell Drew Johnson

Jessica Simpson appears in a scene from the NBC show 'Fashion Star' in 2012. (NBC)

Jessica Simpson has finally given birth - to a baby girl named Maxwell Drew Johnson.

The 31-year-old pop singer announced the news on her website on Tuesday, May 1. This is the first child for Simpson and 32-year-old fiance Eric Johnson, a former football player.

"Eric and I are elated to announce the birth of our baby girl, Maxwell Drew Johnson. Nine pounds, 13 ounces, 21 3/4 inches. We are so grateful for all the love, support and prayers we have received. This has been the greatest experience of our lives!"

Simpson was criticized online for putting on much weight during her pregnancy and had earlier this month slammed tabloid reports that said she had already welcomed her child.

The singer last month celebrated at a baby shower attended by actresses Jessica Alba and "Grey's Anatomy" star Ellen Pompeo, as well as Simpson's sister, Ashlee, and nephew, Bronx.

"Creating a family is the best thing I've done in my life," she said on her website. "I really hope I can be half as good of a mom as my mom has been to me. I can't wait until Bronx meets his new cousin!"

Simpson famously posed nude for ELLE magazine, which appears to be an homage to Demi Moore's famous 1991 Vanity Fair cover (see photos of female celebrities who have posed nude and pregnant).

She and Johnson, her second fiance, got engaged on November 11, 2010. The singer was previously married to pop star Nick Lachey and the two had their own MTV reality show, "Newlyweds," which aired between 2003 and 2005. He has since remarried and hiswife, television personality Vanessa Minnillo, is pregnant with his first child.

Jessica Simpson is also become known for her $1 billion fashion empire. She and fellow fashion designers Nicole Richie and John Varvatos are mentors on the NBC show, "Fashion Star."

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