Melissa McCarthy: My Costume 'Horrified' Everyone at Adam Levine's Halloween Party

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Presenters Melissa McCarthy and Jimmy Fallon speak onstage during the 71st Annual Golden Globe Award on January 12, 2014 in Beverly Hills, California.

A close friendship just might not be in the cards for Melissa McCarthy and Adam Levine.

McCarthy was a guest on Jimmy Kimmel Live!, where she talked about having attended a Halloween party the Maroon 5 singer threw.

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The St. Vincent star comically explained that she was the only attendee at the shindig who was not wearing a particularly sexy costume. You'll have to watch the video to see a photo of her wild costume and wig.

"Every single woman was in a different kind of bikini," McCarthy told Kimmel about the other guests, adding that the onlookers "were so horrified" by what she was wearing.

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The video can be seen below. Feel free to borrow McCarthy's costume idea for this Friday.

This article originally appeared in THR.com.