Garner shows off her post-baby bod in Las Vegas. Plus: Josh Hutcherson, Mariah & Nick, Hilary Duff and more
Credit: Richie Buxo/Splash News Online
Updated: Friday Apr 27, 2012 | 05:00 PM EDT
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The Avengers star Chris Hemsworth greets a few eager fans while signing autographs during an appearance on The Late Show with David Letterman, where he promoted his upcoming superhero flick, which hits theaters May 4.
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