The 19-year-old musician joined Britney Spears for some photos before heading into the Oracle Arena to watch thousands of hopefuls try out for the reality competition show.
“For the record, @ddlovato copied my hair. I did it first… But, you know, blue. ;) #Ilovemysister,” Demi‘s younger sister, Madison de la Garza tweeted.
FYI: Demi donned a chic TopShop ensemble with Chloe Green peep-toe shoes.
10+ pics inside…