Girls stars Andrew Rannells and Allison Williams walked the red carpet at the 2015 Housing Works Groundbreaker Awards at the Metropolitan Pavilion in New York City Wednesday.

Andrew Rannells & Allison Williams

Williams, who plays Marnie Michaels on Girls, posed for the cameras with Rannells, who plays Elijah Krantz on the HBO show. Williams donned a black, belted pencil skirt dress that featured pockets for the event. Rannells, meanwhile, sported a navy suit with a light brown belt.

“Somewhere in an alternate universe, @aw and I are married,” Rannells captioned a picture with his costar.

A photo posted by theandrewrannells (@theandrewrannells) on Apr 23, 2015 at 8:26am PDT

On Instagram, Rannells also posted a candid picture of Williams with fellow Girls star Jemima Kirk. “These girls,” he captioned the playful snap.

A photo posted by theandrewrannells (@theandrewrannells) on Apr 22, 2015 at 6:25pm PDT

The actors were present at the Groundbreaker Awards gala to celebrate those who have contributed to the fight against HIV/AIDS and homelessness.