Demi Lovato, iHeartRadio Music Festival

Denise Truscello/Getty Images for iHeartMedia

Talk about an incredible weekend!

The 2017 iHeartRadio Music Festival, which took place on Friday and Saturday, featured performances by tons of incredible artists, including: Demi LovatoColdplay, The Weeknd, DJ Khaled, Chris Stapleton, Lorde, Kings Of Leon, Khalid, Pink, Lorde, Miley Cyrus, Little MixThirty Seconds to Mars, Niall Horan, David Guetta, Thomas Rhett, Harry Styles and more. The musicians and a slew of other stars from film and TV turned up at Las Vegas' T-Mobile Arena to rock out for the fun fest.

One notable performance on the first night was from The Weeknd, who opened with "Starboy" and then moved into "Party Monster." Selena Gomez's main man also churned out hits like "Can't Feel My Face" and "The Hills."

Check out some behind-the-scenes snaps from the two-day fest filled with music's biggest names, radio's biggest tunes and some super cute puppies...

Pink, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Bachelors, iHeartRadio Music Festival BTS photos

Getty Images for iHeartRadio

Bebe Rexha, iHeartRadio Music Festival BTS photos

Getty Images for iHeartRadio

Noah Cyrus, iHeartRadio Music Festival BTS photos

Getty Images for iHeartRadio

Niall Horan, iHeartRadio Music Festival BTS photos

Getty Images for iHeartRadio

Halsey, iHeartRadio Music Festival BTS photos

Getty Images for iHeartRadio

Little Mix, iHeartRadio Music Festival BTS photos

GregNoire for iHeartRadio

Craig Robinson, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Taylor Lautner, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Louis Tomlinson, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Khalid, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Thomas Rhett, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Migos, French Montana, Travis Scott, DJ Khaled, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Lorde, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Miley Cyrus, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Mackelmore, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Chance The Rapper, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Demi Lovato, DJ Khaled, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Kesha, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Kelsea Ballerini, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

Harry Styles, iHeartRadio Music Festival BTS photos

Joseph Llanes for iHeartRadio

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