Erin & Sara Foster Enjoy Girls' Night Out at Billboard Music Awards 2019!

Erin and Sara Foster are all smiles on the red carpet as they arrive at the 2019 Billboard Music Awards held at the MGM Grand Garden Arena on Wednesday (May 1) in Las Vegas.

Erin looked pretty in a black dress while Sara flashed her killer abs in a white sports and high-rise, white pants for the awards show, which they presented at.

Also stepping out for the awards show was Instagram model Cindy Kimberly.

Tune in to the 2019 Billboard Music Awards airing RIGHT NOW on NBC!

FYI: Erin is wearing a Kalmanovich dress.

10+ pictures inside of the ladies at the awards show…