Gabourey Sidibe & Laura Linney: 'Big C' Surprise!

Gabourey Sidibe and Laura Linney look surprised while onstage during The Big C panel at the 2010 Summer TCA Tour on Thursday (July 29) at the Beverly Hilton Hotel in Beverly Hills, Calif.

The new Showtime series stars Laura as a schoolteacher confronting a terminal-cancer diagnosis and Gabby as her smart-alec student.

Last week, the 27-year-old Precious actress braved the New York City rain as she strolled through the streets while chatting on her cell phone.

10+ pictures of Gabourey Sidibe and Laura Linney at the 2010 Summer TCA Tour…