Keira Knightley has experienced the Cumberbitches and lived to tell the tale.
» Subscribe to Late Night: http://bit.ly/LateNightSeth
» Get more Late Night with Seth Meyers: http://www.nbc.com/late-night-with-seth-meyers/
» Watch Late Night with Seth Meyers Weeknights 12:35/11:35c on NBC.

Follow Late Night: http://www.twitter.com/LateNightSeth
Late Night Tumblr: http://latenightseth.tumblr.com/

Get more NBC:
NBC YouTube: http://full.sc/MtLxIM
Like NBC: http://Facebook.com/NBC
Follow NBC: http://Twitter.com/NBC
NBC Tumblr: http://nbctv.tumblr.com/

Late Night with Seth Meyers on YouTube features A-list celebrity guests, memorable comedy and the best in musical talent.

Keira Knightley Finds Benedict Cumberbatch's Fans Terrifying (But Lovely)
http://www.youtube.com/user/latenightseth