The Cry Me A River singer said he'd already been studying previous halftime shows for ideas of what he can do this time around - if his body will let him.'I've already watched a ton of them,' said The Social Network actor, 'People are flying, and Lady Gaga jumped from the top of the stadium or something.''I don’t know, man. I don’t know how much of that I can do anymore.' Timberlake's performance will take place 14 years after his infamous 'wardrobe malfunction' performance with Janet.