The 13-year-old is real-life BFFs with the singer.
Plus, Kim rocks her Balmain Met Gala dress in the high concept, black and white video.
The stars are clearly ready for 'fight' for Hilary!
The pop star is making history.
The two-day lineup also includes Sia, Sam Hunt, U2, Sting, Usher and Florida Georgia Line.
Vanessa also dished on her recent getaway to Italy with Austin Butler.
There's a lot of vulnerability behind the 'Cheap Thrills' singer's wig.
We knew the singer was a powerhouse vocalist -- but on Thursday, she proved she's just as talented when it comes to impressions.
The 'Chandelier' singer is on a mission.
The performer also revealed what it's like to work with Abby Lee Miller on 'Dance Moms.'
The famously private star had a bit of a weather-mishap during a recent concert.
We see you, Sia!
Yes, the singer is a secret 'Survivor' fan, and offered a gift to one fan favorite!
Sia takes part in one of the best moments from 'Survivor' finale history.
