MIAMI BEACH , FL – JULY 02: (EXCLUSIVE COVERAGE) Demi Lovato let fans take selfies of her while she was performing in at the Y-100 cool for the summer pool party at the Fontainebleau on Thursday, July 2, 2015 in Miami Beach, Florida. (Photos by Larry Marano from Getty Images)
Demi Lovato letting fans take selfies of her while performing at Y-100 cool for the summer pool party in Miami Beach, Florida. (Photos by Larry Marano from Getty Images)
A closeup view of Demi Lovato letting fans take selfies of her while performing at Y-100 cool for the summer pool party in Miami Beach, Florida. (Photos by Larry Marano from Getty Images)
Demi Lovato on stage performing at the Fontainebleau summer pool party in swimsuit on Thursday, July 2, 2015 in Miami Beach, Florida. (Photos by Larry Marano from Getty Images)
Demi Lovato on stage performing at the Fontainebleau summer pool party wearing sunglasses and swimsuit on Thursday, July 2, 2015 in Miami Beach, Florida. (Photos by Larry Marano from Getty Images)
Demi Lovato poses wearing pink robe with ‘Cool For The Summer’ on the back at the Y-100 cool for the summer pool party held at the Fontainebleau on July 2, 2015 in Miami Beach, Florida. (Photos by Larry Marano from Getty Images)