NBC today confirmed Saturday Night Live‘s guest lineup for May. Former SNL head writer/Weekend Update co-anchor Tina Fey, creator and star of NBC’s comedy 30 Rock, will return for her third stint as host on May 7 with musical guest Ellie Goulding. The Office and Hangover co-star Ed Helms will make his SNL hosting debut on May 14 with musical guest Paul Simon, and SNL favorite Justin Timberlake will take his fourth turn as host on the May 21 season finale with musical guest Lady Gaga.