Congratulations are in order for Rachel Uchitel -- not only for the birth of her baby girl, but for her incredibly slim post-baby bod!

In Napa, Calif. on Tuesday, the infamous former mistress of Tiger Woods, her husband Matt Hahn and their newborn daughter Wyatt went for a stroll at a local park. The couple welcomed Wyatt, who weighed 7 lbs, 1 oz, on May 15.

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While baby Wyatt was swaddled in a pink fleece blanket, Uchitel, 36, sported a white T-shirt and matching skinny jeans -- an outfit that showed no signs of a body that was just pregnant less than a month ago!

Uchitel and Hahn, a businessman, tied the knot in October 2011 in front of 12 friends at the Little White Wedding Chapel in Las Vegas -- the same venue where Britney Spears wed Jason Alexander in 2004.

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The first woman to be linked to then-married golfer Woods, 36, in late 2009, Uchitel was also involved with married actor David Boreanz in 2010. Over a decade ago, she was engaged to investment banker James Andrew O'Grady, who was killed on September 11, 2001 during the World Trade Center attacks; she spoke frequently of O'Grady's death during her 2010-2011 appearance on VH1's Celebrity Rehab with Dr. Drew.

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Uchitel, a University of New Hampshire graduate, wed Wall Street trader and childhood friend Steven Ehrenkranz in 2004. Their union lasted just four months.

This article originally appeared on Rachel Uchitel Debuts Daughter, Post-Baby Bod Three Weeks After Giving Birth