Jennifer Garner Debuts Her Post-Baby Body in a Minidress at Event in Las Vegas

After two months of hiding behind loose tops and baggy jeans, mommy Jennifer Garner, who gave birth to her son Samuel Garner on Feb. 27, is flaunting her post-baby body! 

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Jennifer walked the red carpet at Walt Disney Studio Motion Pictures CinemaCon 2012 to promote her latest film The Odd Life of Timothy Green at Caesars Palace last night in Las Vegas. The mom-of-three, who, as we know, is married to Ben Affleck, looked incredible in a nude, lace Dolce & Gabbana dress and Nicholas Kirkwood shoes. 

The actress, who just celebrated her 40th birthday last week, has been staying out of the spotlight since welcoming Samuel, who joined big sisters Violet, 6, and Seraphina, 3.

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On Thursday, Jennifer will be honored with the title of CinemaCon's Female Star of the Year for her "stunning and captivating performances" on both the small and big screen, according to CinemaCon's managing director Mitch Neuhauser. The Odd Life of Timothy Green hits theaters on August 15.