You may have seen stars own the Billboard Music Awards red carpet [1] or give us an unforgettable show [2] on Sunday. Still, so much more happened behind the scenes before, during, and after the show in Las Vegas. Taylor Swift's famous crew [3], Nicki Minaj, and Kendall and Kylie Jenner were just some of the stars to fill in the blanks for us — read on to see their snaps!

Kelly Clarkson, River Rose Blackstock, and Brandon Blackstock

Kendall Jenner, Olivier Rousteing, and Jourdan Dunn

Casper Smart and Nicki Minaj

Chrissy Teigen and John Legend

Nick Jonas

Rita Ora and 50 Cent

Mariah Carey

Ariana Grande

Taraji P. Henson

Joyce Bonelli, Kendall Jenner, and Kylie Jenner

Mariah Carey

Taylor Swift, Zendaya, Hailee Steinfeld, Lily Aldridge, Martha Hunt, and Austin Swift