Teen Choice Awards red carpet

From left: Chloe Grace Moretz, Maia Mitchell and Willow Shields at the Teen Choice Awards on Sunday in Los Angeles.

(Jason Merritt / Getty Images; Chris Pizzello / Invision/Associated Press (middle and right) )

Aug. 17, 2015 11:30 AM PT

From left: Nina Dobrev, Shay Mitchell and Victoria Justice at the Teen Choice Awards.

(Jason Merritt / Getty Images (left and right); Chris Pizzello / Invision/Associated Press)

From left: Sebastian Taylor Thomaz and Wiz Khalifa; John Stamos; Cat Deeley and Jason Derulo at the Teen Choice Awards.

(Jason Merritt/Getty Images (left and center), Chris Pizzello/Invision/AP (right))