Ariana Grande impersonates Celine Dion, Jennifer Coolidge, Britney Spears, Gwen Stefani and Miley Cyrus while hosting 'Saturday Night Live' on Oct. 12. She also performed a parody of Sabrina Carpenter's hit song,

Ariana Grande brought her spot-on celebrity impressions to Saturday Night Live. The Wicked star returned to the long-running NBC sketch comedy show as host on Oct. 12, where she reprised some of her hilarious pop star impressions during the opening monologue.

Ariana Grande vowed to keep it “low-key” and not make it about herself in her return as host of “Saturday Night Live” this weekend. But it didn’t take long for the “Wicked” star to break her promise as she did her impression of Britney Spears in a musical opening monologue.