Christina Aguilera Walks BBMAs Red Carpet with a Long Train!

Christina Aguilera makes her appearance on the red carpet at the 2018 Billboard Music Awards held at the MGM Grand Garden Arena on Sunday (May 20) in Las Vegas.

The 37-year-old singer will be hitting the stage during the show with Demi Lovato to perform their duet “Fall in Line,” which was released the other day.

PHOTOS: Check out the latest pics of Christina Aguilera

Demi is so excited to perform with Christina and tweeted, “Nothing but excitement to share the stage with this legend @xtina.”

Make sure to tune in!

FYI: Christina is wearing a 16Arlington dress.