You never know what's going to happen at the MTV Movie Awards — shirtless Zac Efron [1], anyone? — and the show's red carpet is no exception. On Sunday, stars geared up for the spectacle in LA by showing off their hot looks. Jennifer Lopez [2] flaunted her cleavage, Scarlett Johansson was pretty in neon pink [3], and Miles Teller looked picture-perfect with his girlfriend, Keleigh Sperry. As for most adorable duo, Judd Apatow couldn't have been cuter with daughter Iris [4].
With Amy Schumer bringing her brand of humor [5] as host and several movie stars nominated in fun categories [6], this year's show was one you didn't want to miss. Read on to see celebrities start the party, and then get nostalgic with a look at the show's most '90s-tastic moments [7] and the hosts you probably forgot about [8].