Jack Antonoff Says He and Lena Dunham Act Like an Old Couple

Lena Dunham and her rockstar boyfriend Jack Antonoff are more low-key than you might expect.

“One time we were at a dinner party where everyone was over 60 and, before we knew it, we realized that everyone at the table had gone outside to smoke pot and they didn’t invite us. That basically says it all,” Antonoff, who is the guitarist for the band Fun., tells New York.

Lena Dunham Rocks Out During Boyfriend Jack Antonoff's West Hollywood Show

Lena Dunham has already proven her skill as a writer, director and actress, and now the Girls star has demonstrated one additional talent: supportive rock star girlfriend to Jack Antonoff.

Lena Dunham's Sweet Love Letter to Jack Antonoff

If this isn’t love, we don’t know what is.

On Monday, Girls star and creator Lena Dunham shared an email she wrote to her boyfriend of one year, Jack Antonoff, as part of artist Miranda July’s “We Think Alone” project.

Lena Dunham Sings Along with Boyfriend Jack Antonoff's Band in Boston

Lena Dunham is a big fan of Fun.

The Girls creator, who is dating the band’s guitarist Jack Antonoff, supported her man at the Boston Calling Music Festival on Saturday.

Braving the cold weather in a hoodie and heavy jacket, Dunham was “definitely smiling” as she and a few friends sang along to the band’s set, an onlooker tells PEOPLE.

Billboard Music Awards Pit Taylor Swift Against Maroon 5 and Fun

It’s a three-way tie: Taylor Swift, Maroon 5 and fun. are finalists in 11 categories for this year’s Billboard Music Awards.

Rihanna, Carly Rae Jepsen and One Direction are up for 10, nine and eight trophies, respectively, Billboard also announced on Monday.

Lena Dunham Says Boyfriend Jack Antonoff Is 'Someone Great'

As Hannah Horvath on the hit HBO series Girls, creator and actress Lena Dunham often finds herself struggling with romance.

But when it comes to her real life relationship with Fun. guitarist Jack Antonoff, the two-time Golden Globe winner says she’s found love.

Taylor Swift, Rihanna and fun. Will Perform at Grammy Awards

Taylor Swift, Mumford & Sons, the Black Keys, Rihanna and fun. are among the first acts announced for the 55th annual Grammy Awards next month.

All are nominees and will join rapper-actor host LL Cool J to kick off the show, which will be broadcast live on CBS on Feb. 10 at 8 p.m. from the Los Angeles STAPLES Center.

Frank Ocean, Taylor Swift Collect Grammy Nominations

How FUN!

The Grammys handed out their nominations Wednesday night at a concert in Nashville – and there was a decidedly youthful feel: Taylor Swift earned a nod for record of the year and the band FUN joined Frank Ocean with the trifecta of album of the year, record of the year and best new artist.