The ladies became BFFs after Sarah started dating Kate‘s ex Michael Sheen a few years ago!
Sarah was joined on the red carpet by fellow comedian Stephanie Simbari. Some of the other stars pictured here on the carpet include Minnie Driver, Patricia Clarkson, Megan Mullally and hubby Nick Offerman, and Cheryl Hines.
FYI: Kate is wearing a Zuhair Murad gown. Minnie is wearing a Vionnet gown, Rene Caovilla shoes, and Gilan diamond earrings and ring. Megan is wearing a Carolina Herrera dress, Christian Louboutin shoes, and a Buccelatti bag and jewelry. Nick is wearing Gucci. Cheryl is wearing a Romona Keveža Collection dress, a Tadashi Shoji clutch, and Open Hearts by Jane Seymour jewelry.