Kelly Clarkson, Adam Lambert, Katharine McPhee – iHeartRadio Summer Pool Party (PHOTOS)

iHeartRadio Summer Pool Party

Kelly Clarkson performed at the iHeart Summer Pool Party at Caesars Palace in Las Vegas, along with Echosmith, Chris Brown, Nicki Minaj and more.

Fellow American Idol alums, Adam Lambert and Katharine McPhee were in attendance. Both singers will perform tonight at the KTUPhoria Live concert at Jones Beach in New York.

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Founder and editor of, home of the awesomest fan community on the net. I love cheesy singing shows of all kinds, whether reality or scripted. I adore American Idol, but also love The Voice, Glee, X Factor and more!