Just past the halfway mark of her first of three Los Angeles shows last night, Sabrina Carpenter cracked a Colgate smile as she arrived at evening’s roulette moment, where she spins a bottle to determine which song she’ll cover.

"I'm freaking out," Carpenter admitted at the time as she sat down with Aguilera on the stage, where she shared memories of Aguilera's music before their joint performance. "I thi