Lena Dunham, Girls writer, director and actress discussed the moment when she found out that her boyfriend, Jack Antonoff, dated Scarlett Johansson.

Dunham admitted that she has a guilty pleasure obsession for Old Loves, which is a Tumblr page dedicated to celebrity couples who have dated in the past but have since called it quits.

Upon her searching, she was in quite the shock when she had seen a photo of someone she knew quite well on the webpage, her boyfriend.

Dunham has been dating the guitarist of the band fun., Jack Antonoff, since 2012.

While on Bill Simmons’ show, Dunham described what she had went through when she saw it.

“The craziest thing that ever happened to me was, like- Old Loves is my passion [and] I saw my boyfriend and his girlfriend from high school,” she dished.

When she was asked about it, she confirmed that the then-girlfriend was Scarlett Johansson.

“I was like, my mind is going to explode. It would be like seeing my parents [on the site],” she further explained.

Despite Antonoff having once dated Esquire’s two time winner of the Sexiest Woman Alive, Dunham said that she’s not jealous of their previous relationship. She had said that Howard Stern asked her if she was jealous.

“She’s beautiful, he’s beautiful,” she continued, “but it was so surreal to be looking through this blog that gives me so much pleasure, and then there’s my boyfriend.”

Photo Courtesy of Marie Claire.