Photo Flash: Benedict Cumberbatch, Geri Halliwell and More at Royal Court's BIRTHDAY PARTY Fundraiser!

The Royal Court Theatre celebrated Joe Penhall's new play, BIRTHDAY, with a pre-show Moët & Chandon champagne yesterday before watching the performance. Among those in attendance for the after party were actor Benedict Cumberbatch, former Spice Girl Geri Halliwell, BIRTHDAY cast members Stephen Mangan and Lisa Dillon, and more. Scroll down for photos!

Joe Penhall's previous plays at the Royal Court include Haunted Child, his debut Some Voices, which won him the John Whiting Award and which he later adapted for film, premiering at Cannes in 2000 and Dumb Show in 2004. His other credits include Blue/Orange at The National Theatre, which transferred to the West End and for which he received Olivier, Evening Standard and Critics' Circle Awards and Landscape with Weapon at The National Theatre. For film, he most recently adapted The Road by Cormac McCarthy. He also wrote the screenplay for Enduring Love and wrote the BBC 2 detective series Moses Jones.

For more information, visit http://www.royalcourttheatre.com/whats-on/birthday.

Photo Credit: Dan Wooller/Rex USA