Demi Lovato

Demi Lovato, in 2004 appeared in Barney & Friends Squares, Squares Everywhere! as Angela (Recurring role). Britney and Justin had the Mickey Mouse Club. Selena Gomez and Demi Lovato have Barney.

It's been 20 years since Barney and Friends premiered on PBS – and to celebrate PEOPLE.com looks back at where the BFFs (and Disney stars) got their start.

Barney & Friends is a 1992 children's television show produced in the United States aimed at preschool children. The series features the title character Barney, a purple anthropomorphic Tyrannosaurus rex who conveys learning through songs and small dance routines with a friendly, optimistic attitude.

Barney & Friends Squares, Squares Everywhere! Original Air Date: 7 May 2004 (Season 8, Episode 15)

Episode Cast

	Demi Lovato	...	Angela
	Esteban Peña	...	Vendor

Following clip, Lovato plays a musically-inclined crossing guard.