The 2017 Billboard Music Awards hosts reveal what they're most excited to see at the big show, including Bruno Mars, Cher and more.
E! News Now
Get the latest entertainment news, gossip and more with "E! News Now". Whether it's the hottest celeb scandal, biggest meltdown, break-up, make-up or just that must-see moment everyone is talking about, "E! News Now" is on the case, delivering it all day and night.