Demi Lovato Reacts to the Most Shocking VMA Moments: 'I'm Switzerland' in Nicki-Miley Feud

Demi Lovato Takes PEOPLE Behind the Scenes at the Video Music Awards

Demi Lovato had a pretty exciting night.

As soon as she arrived to walk the red carpet, Lovato wasted no time absolutely killing it at the MTV Video Music Awards.

Demi Lovato Performs 'Cool for the Summer' at the MTV Video Music Awards

Demi Lovato might have renamed her latest tune tonight. We’re officially calling it “Red Hot for the Summer.”

She promised MTV that her performance of “Cool for the Summer” at the Video Music Awards was going to be “sexy” and “really fun” – and yep, she delivered.

MTV Announces Full List of VMAs Performers, Including Pharrell, Macklemore and Demi Lovato

VMA Performer Lineup Announced: Demi Lovato and Pharrell Will Play MTV Awards Show

Demi Lovato: I Used to 'Hate Every Inch of My Body'

Demi Lovato is defending her racy shoot for the September issue of Cosmopolitan magazine.

The singer, 23, flaunts her curves in very low-cut silver sequined romper for the magazine’s cover – and she’s not apologizing for showing some serious skin.

Demi Lovato Is a Protective Big Sister Says Madison De La Garza: She's Strong and a Free Spirit

What’s it like being Demi Lovato’s little sister? Pretty awesome, if you ask Madison De La Garza.

The 13-year-old, who played Eva Longoria’s daughter on Desperate Housewives tells Seventeen magazine that her half-sister might not be around all the time but she makes her family a priority.

Listen to Former Child Star Blake McIver's Retro Cover of Demi Lovato's 'Cool for the Summer'

Blake McIver definitely isn’t a kid anymore.

Demi Lovato and James Corden Deliver Singing Telegrams, Shave a Dentist's Head (WATCH)

The singing telegram is alive and well!

Demi Lovato and James Corden drove around Los Angeles for a Late Late Show segment Tuesday, delivering singing telegrams to a few everyday heroes. The first stop: Dry Bar to commend Sarah on her recent promotion.

Demi Lovato Opens Up About Longtime Boyfriend Wilmer Valderrama

Though she’s been very private about boyfriend Wilmer Valderrama in the past, Demi Lovato is opening up about her relationship with the actor.

In the September issue of Cosmopolitan, Lovato, 22, reveals the only time she and her love of five years broke up was when she was relapsing.