Pres. Obama is usually the coolest person in the room who found himself on the wrong end of a vicious Chelly-O side-eye at Nelson Mandela's memorial service. Why he was snapping selfies and laughing it up at a globally-televised funeral, we're not quite sure, but the First Lady wasn't having it and sparked pure hilarity on Twitter. Here are the funniest Twitter reactions to Michelle checking Pres. Obama at Mandela's funeral. Take a look.