Allison Williams: 'Phil Spector' Premiere with Zosia Mamet!

Allison Williams arrives on the red carpet at the premiere of HBO’s Phil Spector held at the Time Warner Center on Wednesday (March 13) in New York City.

The 24-year-old actress was later joined at the after party by her Girls co-star Zosia Mamet!

PHOTOS: Check out the latest pics of Allison Williams

Allison is wearing an Oscar de la Renta dress, Roger Vivier shoes, Colette earrings, and a ring by Jill Alberts.

10+ pictures inside of Allison Williams and Zosia Mamet at the premiere…