"It was the best experience of my life," Courtney Hadwin told PEOPLE about her season ... Ex Brooklyn Beckham's Parents 'the Coolest' amid Family 'Tensions' American Idol's Josh King Motions ...

Courtney Hadwin, 14, showed off her explosive musical abilities in the first live round of America's Got Talent's season 13 as she belted James Brown's "Papa's Got a Brand New Bag" Courtney ...