It's official, Charlize Theron and Sean Penn really like each other.
PHOTOS: See what the stars wore to the Met Gala 2014
The couple looked sophisticated and sweet as they held hands at the Metropolitan Museum of Art's Costume Institute Gala in New York City Monday, May 5, but they got extra close at an after party following the glamorous gala.
Theron, 38, who stunned in a strapless Dior Haute Couture white crepe gown, was dancing sexily to Ol' Dirty Bastard's "Got Your Money" with beau, Penn, 53, at an exclusive star-studded after party at the Boom Boom Room at the Standard Hotel, an eyewitness tells Us Weekly.
The couple enjoyed each other's company on the roof top portion of the nightclub, where they smoked cigarettes and sipped on their drinks. At one point, the source adds, "they play fought with each other" and Theron started "biting on his neck" before they started "rigorously making out."
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PHOTOS: Vogue.com best dressed at the Met Gala through the years
The Oscar winners are no strangers to packing on the PDA. The pair, who were first spotted out together in early January when they vacationed in Hawaii, have been caught numerous times making out — everywhere from the beach to a traffic light!
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