THOSE BOOTS.
A sample of the singer's new single, "L.A. Love (la la)," was played onstage as she introduced Ed Sheeran. The song is set for release on Sept. 29.
One Direction performs onstage during the 2014 iHeartRadio Music Festival.
The One Direction singer and his hair wish for peace to be upon you.
Exactly.
The One Tree Hill alum meshed well at the event!
Because why not?
Who dat? Who dat? It's the "Fancy" performer singing live in Las Vegas.
This Pomeranian appears in Katy Perry's "Dark Horse" video and broke two Guinness World Records for speed. Superstar!
The boy band is ready to rock Sin City!
The "A-Team" singer stops for photos backstage before his set.
Artists never know who they will run into at the music festival!
Country fans better put their hands together for the "Merry Go Round" singer.
The boys of 1D open up the show at Saturday's festival!
After her iHeartRadio performance, the "Break Free" singer headed to 1 OAK Nightclub at The Mirage with Big Sean.
The pop singer rocks a crop top and eye-catching mini skirt on the red carpet at the 2014 iHeartRadio Music Festival.
The two sure are cute together, no butts about it! They performed the hit song "Bang Bang."
Usher puts his hand on the singer's baby bump!
The actress is seen walking with an iHeartRadio Music Festival worker backstage.
The pop star sparkled on stage at the 2014 iHeartRadio Music Festival.
The actress visited Coldplay's dressing room. She and singer Chris Martin have been dating since at least late June.
The Oscar winner and The Hunger Games star is seen backstage at the iHeartRadio Music Festival. Beau Chris Martin performed with his group Coldplay at the event.
The rocker performed with his band Coldplay. New girlfriend Jennifer Lawrence visited the group in their dressing room!
J.Lo and Iggy Azalea aren't the only chart-topping superstars to get cozy during a performance ...