It was a night of hot performances, heartfelt tributes and mind-blowing surprises. Here are the highlights from the 2015 American Music Awards hosted by Jennifer Lopez. Photos: FilmMagic/Getty Images for dcp/WireImage
2/20
Jennifer Lopez kicked off the show performing a slow rendition of her dance classic "Waiting for Tonight" followed by an epic mashup performance of some of the year's hottest hits including, "Uptown Funk," "I Can't Feel My Face," "Anaconda," "Bad Blood," "Hotline Bling," and "Where Are U Now." Photo: FilmMagic
3/20
Ariana Grande had a hot date Sunday night — her grandmother, also known as Nonna Grande. The singer's brother, Frankie Grande, was also in attendance. Photo: Getty Images for dcp
