Among the hopefuls is Olivia Holt. Like Britney, Holt, 27, is a former Disney star. She’s also a singer, releasing her debut EP, “Olvia,” in 2016.

Among the hopefuls is Olivia Holt. Like Britney, Holt, 27, is a former Disney star. She’s also a singer, releasing her debut EP, “Olvia,” in 2016. More from Variety ...

Holt proved she knows her Spears music when she named her favorite songs by the “Slave 4 U” singer. “I could go way back and we can do a little ‘I’m Not a Girl, Not Yet a Woman.’ ...