Kelly Clarkson Covers Demi Lovato's "Cool For The Summer" And Demi Gets Emotional (VIDEO)

Kelly Clarkson hit the stage at her "Piece by Piece Tour" concert at the Staples Center on Wednesday night in Los Angeles and paid tribute to Demi Lovato's smash hit "Cool for the Summer." 




Clarkson, who announced that night that she is expecting her second child with husband Brandon Blackstock, performed the track to celebrate Lovato's birthday.

"She's always been so supportive and so cool," Clarkson, 33, said, noting: "To see a kid that used to go to my shows have this huge, lustrous career…she's just killin' it. I thought I would, for her birthday, sing "Cool For The Summer.""

"WOW WOW WOW.. @kelly_clarkson thank you SO MUCH for covering #coolforthesummer at your show tonight!!! BEST BDAY GIFT EVER!! *literal tears*," Lovato, 23, later tweeted.

Check out the video below...
 
 

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