"Justin was like, 'Umm, so, umm, we have a skit idea and umm, well, I'm not really good at this. I'll have Andy tell you.' Then Andy came and was like, 'Well, umm blah blah... We have this skit idea...' I finally got it out of them. It was so cute." Lady GaGa reveals Justin Timberlake and funnyman Andy Samberg hesitated to ask her to join in a sketch about threesomes for Saturday Night Live.