Demi Lovato to guest star in Wilmer Valderrama's TV show

Singer-actress Demi Lovato is teaming up with her boyfriend Wilmer Valderrama on-screen for the second season of his horror show "From Dusk Till Dawn: The Series".

The 22-year-old "Skyscraper" hitmaker will guest star alongside Valderrama, Danny Trejo, Esai Morales, Jeff Fahey and Briana Evigan in the series, which is based on the 1996 movie starring George Clooney, reported Variety.

It is unclear what Lovato's role in the series will be, but she has shared some behind-the-scenes photos with Valderrama on Instagram.

In one snap with the actor, she wrote, "After a long night's work fromdusktilldawn (sic)."

Another picture with series creator Robert Rodriguez reads, "Me and the boss @rodriguez.... We worked fromdusktilldawn.... Get it?? Y'all ain't ready.... (sic)".