LISTEN: Christina Aguilera and Tony Bennett's Duet "Steppin' Out With My Baby"

Christina Aguilera is lending her sultry powerhouse voice for Tony Bennett’s collaboration album, Viva Duets.

The talented Grammy-winners are showcasing their signature voices for the re-mastered edition of Irving Berlin's classic song, “Steppin’ Out With My Baby.”

Christina and Tony previously performed the song during his 2006 NBC special and at the 2007 Emmy Awards. The track is an all-time favorite by Tony, who featured the solo version in his 1994 MTV Unplugged album.

The 86-year-old singer also features duets with Gloria Estefan, Marc Anthony, Romeo Santos, and more. Viva Duets officially drops on October 22.

Listen to Christina Aguilera and Tony Bennett’s “Steppin’ Out With My Baby” below and let us know what you think!