Demi Lovato on 'Exteme Makeover: Home Edition' -- Official Pics!

Demi Lovato holds onto Gloria Walker-Hoover‘s hand as she performs during a concert for Extreme Makeover: Home Edition.

Filmed late last month, the 19-year-old musician lent her vocal talents to the show which combined an anti-bullying rally, Demi, Cody Simpson and the Kardashian sisters with the program.

“It’s just unbelievable,” mom Sirdeaner Walker shared with MassLive.com, “A lot of love went into building this home. It’s incredible.”

Extreme Makeover: Home Edition airs Friday, December 2 @ 8PM ET/PT on ABC.

FYI: Demi is wearing a Virgins Saints and Angels Pax Rosary with Cross and Benito Rosary.