Keira Knightley and Sienna Miller

'The Edge of Love' co-stars have long been spotted on red carpets together, since they first met on the set of the 2008 biopic. During a 2014 interview with Vogue, Keira revealed how the actresses became such close friends. She said: “I'd just broken up with a boyfriend. And she decided getting drunk and making total fools out of ourselves was the only way through. She was totally right.” Content Exchange Content Exchange