And while a variety of stars were on hand to toast the honorees, including Julia Roberts, Sean Penn, Chiwetel Ejiofor and Salma Hayek, no one pulled focus like Baron Cohen, who received the Charlie Chaplin Britannia Award for Excellence in Comedy. Onstage, he accepted a Chaplin-like cane from an elderly woman in a wheelchair, introduced as the oldest living actor to have worked with Chaplin himself.The actor promptly broke into a tap dance, tripped and sent the woman flying, in a moment guaranteed to go viral. (Tune in to the show tonight on BBC America at 9 p.m. ET to see how she fared.)