Kelly Clarkson onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Kelly Clarkson onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Kelly Clarkson onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Kelly Clarkson onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Kelly Clarkson onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Shaggy onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Shaggy onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Shaggy onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Shaggy onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Adam Lambert introduces Echosmith at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Echosmith onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Echosmith onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Echosmith onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Echosmith onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Echosmith onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Chris Brown onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Chris Brown onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Chris Brown onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Chris Brown onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas douses the audience with water at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas douses the audience with water at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nick Jonas onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Decorations at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Decorations at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
The audience at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
The audience at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
The audience at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Nicki Minaj onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
David Guetta onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
David Guetta, top, and Nicki Minaj, bottom center, onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
David Guetta onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
David Guetta onstage at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Chris Brown at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Echosmith at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Shaggy at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Mario Lopez at the iHeartRadio Summer Pool Party at Caesars Palace in Las Vegas on Saturday, May 30. (Jason Ogulnik/Las Vegas Review-Journal)
Stars come out for iHeart Radio Summer Pool Party — PHOTOS
With headliners like Kelly Clarkson, Chris Brown, Nick Jonas, Nicki Minaj and David Guetta, the iHeart Radio Summer Pool Party had plenty to offer fans at Caesars Palace on Saturday night.
LISTEN TO THE TOP FIVE HERE
