Dianna Agron and Christa B. Allen step out in style at the Marni for H&M Collection Launch held at Lloyd Wright’s Sowden House on Friday (February 17) in Los Angeles.

The two joined Lily Collins, Drew Barrymore and Jessica Chastain at the fete, which celebrated the new campaign directed by Sofia Coppola.

PHOTOS: Check out the latest pics of Dianna Agron

Hitting stores on March 8th, accessories start at $19.25 and the most expensive item is a coat at $129.

10+ pics inside of Dianna and Christa…