VMA awards red carpet

Selena Gomez stunned at MTV's Video Music Awards Sunday night!

The singer was on hand to co-host the awards pre-show. She told MTV's Sway that she had done her research for interviewing the stars, and she was particularly excited to interview Nicki Minaj!

Selena, 19, and MTV VJ Sway talked to Demi Lovato, with Selena calling Demi one of her best friends. And boyfriend Justin Bieber gave Selena a big kiss!