"Girls" Just Wanna Have Fun! Lena Dunham & Jack Antonoff Are Dating (DETAILS)

Mazel tov! Girls creator Lena Dunham and Jack Antonoff, lead guitarist for the band Fun., are reportedly a couple. 

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Apparently, Lena, 26, is trying to keep their relationship secret, since she claims to have had a string of "Multiple gay ex-boyfriends." If you've ever watched Lena's hit HBO show, you could see what she means!

The indie-minded pair has already begun to collaborate. Most recently, they recorded a collaborative video for The New Yorker and Lena also wants to use Fun. songs in Girls, the second season of which premieres in January. 

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Fun's hit song "We Are Young" was No. 1 on Billboard's Hot 100 charts for six consecutive weeks in March and April. Jack and Fun. are nominated for two awards at tomorrow's MTV Video Music Awards.

Jack shared a photo with MTV on Monday of his favorite memory of attending the 1997 VMAs as a young child.

Lena tweeted the cute story and pic Monday, writing, "Best thing that's happened yet in America."

Seems Miss Dunham is already smitten with her rocker love. 

SOURCE: US Magazine