Zach Galifianakis/Jessie J added to SNL's March Line-Up

It has been confirmed that Zach Galifianakis will host SNL March 12, marking his second appearance on the show. He will be joined by British pop sensation Jessie J who will be making her debut US TV appearance on the show. Jessie J recently had her first British number 1 with the single, "Price Tag" and will be hoping to repeat her success Stateside. Galifianakis, meanwhile, will be seen in this summer's hotly anticipated sequel to The Hangover.