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Demi Lovato, Katy Perry, 2016 Grammy Awards, Show

Kevork Djansezian/Getty Images for NARAS

We think it's safe to say that Demi Lovato's first trip to the Grammy Awards was a great one.

In case you missed it, the singer revealed to E! News exclusively that tonight's attendance was the first time she'd ever been to the huge awards show. "I've never been before, and it's because a long time ago my manager told me, ‘You should wait to go to the Grammys until you're presenting, nominated or performing,'" she told us, "So here I am performing, and I'm excited."

Lovato took the stage to sing part of Lionel Richie's tribute, along with John LegendLuke BryanMeghan Trainor and Tyrese Gibson, to belt "Hello," and man, she killed it.

So, obviously, Katy Perry took to Twitter to give her gal-pal some major props:

Demi caught wind of the sweet post, and responded to Perry, as well as sharing some kind words with fans following her amazing performance:

Even Richie was blown away with Demi's vocals, and his reaction was all of us reacting to Lovato's show-stopping performance.

Lionel Richie, GIF

Well done, Demi.

Watch E! After Party: The 2016 Grammys at 11:30 p.m. ET / 8:30 p.m. PT. And don't miss the Fashion Police Grammy Awards special Tuesday at 8 p.m. only on E!