By Rose Walano
Updated Jun 03, 2012 @ 2:00 pm
Kevin Mazur/WireImage

She's beauty and she's grace, she's Miss United States—and she'll be crowned tonight in Las Vegas! Last year, California's Alyssa Campanella took the crown, but it's anyone's race. Rooting for your home state gal? Tune into NBC tonight at 9/8c—when taking a break from the MTV Movie Awards, of course—to find out which of the 51 contestants will be take home the 167-carat Miss USA Diamond Nexus Crown. And tell us: Which state should win? Let us know in the comments!

Plus, see more ladies in tiaras!

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