The singing sisters have been up on stage throughout the season, singing backup for the contestants.
The girls tweeted, “Had so much at American Idol tonight! Scotty & Lauren were amazing! It was nice to just watch the show from the audience for once :) #idol”
Destinee and Paris added, once hearing that Scotty had won the title, “So happy for you @SMcCreeryAI10 Congrats! So proud to be singing on your first single ‘I Love You This Big.’”