Billy Magnussen & Girlfriend Erica Firestone Went On the Ultimate Double Date: A Trip to Jamaica with Zosia Mamet & Evan Jonigkeit

Billy Magnussen and his girlfriend Erica Firestone went on the ultimate double date last month with their friends Zosia Mamet and Evan Jonigkeit. The group of four went on a week-long getaway to Sandals Dunn's River in Ocho Rios, Jamaica back in January 2025. Billy, Erica, Zosia, and Evan spent their week playing golf at