Michael Keaton, who was nominated for an Academy Award for his work in Best Picture winner "Birdman: Or (The Unexpected Virtue of Ignorance)," will be the evening's host.
Jepsen’s debut album, "Kiss," featured her breakout single "Call Me Maybe," which hit No. 1 on the iTunes Singles charts in over 47 countries and has sold over 17 million singles worldwide to date.
On April 11 Academy Award-nominated actress Taraji P. Henson will make her "SNL" hosting debut. The musical guest will be Mumford & Sons.