Ariana Grande is ready for Santa. The 20-year-old singer spread holiday cheer this week with the release of her take on the classic Eartha Kitt number, "Santa Baby." The Nickelodeon star teamed up with her "Victorious" co-star, Liz Gillies, for the recording, taking to Twitter to praise the actress for the collaboration. "Thank you to my BFF Liz Gillies for singing this [with] me, love you," she wrote. "Hope everyone enjoys." Take a listen to Grande's "Santa Baby" below, and check out her other holiday recordings, including a cover of Wham!'s "Last Christmas," on iTunes.