Selena Gomez To Introduce Taylor Swift's 22 Performance At Billboard Awards (Access Exclusive!)

Access Hollywood
Selena Gomez and Taylor Swift -- Getty Images

Selena Gomez will introduce gal pal Taylor Swift's performance at Sunday's Billboard Music Awards, Access Hollywood can exclusively reveal.

An insider tells Access that the superstar - who is a finalist in 11 categories, including Top Artist -- will perform her latest hit, "22," in a fun performance featuring a "Vegas party theme."

PHOTOS: Selena Gomez

The piece features Cirque du Soleil performers, and Taylor herself will dance during the performance.

Additionally, Christina Aguilera and Pitbull will be joined by a special guest during their performance of "Feel This Moment."

PHOTOS: Taylor Swift

A-ha frontman Morten Harket will perform the upbeat anthem with the singers ("Feel This Moment" samples A-ha's famous hit, "Take On Me").

The 2013 Billboard Music Awards - hosted by Tracy Morgan - will air live on Sunday at 8/7c on ABC.

-- Erin O'Sullivan

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