The Oscar-winning actress will make her SNL debut on March 29, followed by fourth-timers Jack Black and Jon Hamm.
The comedian also dishes on filming 'SNL's 50th anniversary special, working with Travis Kelce and his brand new haircut.
Here are all of season 50's hosts and musical guests ... Following the 50th anniversary special, comedian Shane Gillis will host for the second time on March 1, with musical guest Tate McRae.