Sweeties on Set! Demi Lovato and Wilmer Valderrama Are Now Costars

Wilmer Valderrama: That '70s Show Castmates Are 'So Proud of Me'

Sweet, shy Fez from That ’70s Show and can-do, friendly children’s hero Handy Manny are crossing over to the dark side.

Wilmer Valderrama is starring as the villainous crime lord Carlos in Robert Rodriguez’s new television series From Dusk Till Dawn, showing on Saturday at SXSW in Austin.

Alexa Vega in Machete Kills: 'Every Girl Wants to Be a Badass'

Spy Kids fans are in for a big surprise – former child star Alexa Vega isn’t a little girl anymore!

The 25-year-old, who’s best known for playing Carmen Cortez in the family adventure series, says her latest role in Machete Kills is anything but wholesome.

“It’s edgy, it’s kickass,” the newly engaged star tells PEOPLE of her provocative new role in the film, out Oct. 11. “I think every girl wants to be a badass.”

Rep: Rose McGowan & Robert Rodriguez Projects Still on Track

Rose McGowan and Robert Rodriguez are still together – professionally and personally, sources tell PEOPLE.

The actress is starring in three of her fiancé’s upcoming projects – Barbarella, Red Sonja and Woman in Chains! – despite reports to the contrary, according to her rep.

“The production of all three films is moving forward with Rose to star,” the rep tells PEOPLE exclusively.

As for claims that the couple have called off their engagement, a source close to McGowan says, “She and Robert are fine.”

Rose McGowan Engaged to Director Robert Rodriguez

Actress Rose McGowan is engaged to director Robert Rodridguez, a source close to the actress tells PEOPLE.

McGowan, 34, met Rodriguez, 39, in 2006 when he directed her in the Planet Terror portion of the Grindhouse double feature.

“He’s my best friend,” McGowan told PEOPLE last June. “We instantly became really good friends.”

Couples Watch: Rose & Robert, Courteney & David ...

• New couple Rose McGowan and director Robert Rodriguez, milling about at the Beverly Hilton during the Hollywood Reporter Key Art Awards. Inside, McGowan told us, “I’d be lucky” to work again with Rodriguez, who directed her in Planet Terror. And while she wouldn’t ‘fess up to finding love at first sight, McGowan did tell us, “He’s my best friend,” adding, “We instantly became really good friends.”

Jammin' with John Mayer

John Mayer usually doesn’t do duets (“It’s usually, ‘How would you like the opportunity to play with – drum roll – someone who sucks?’ ” he says), but he couldn’t pass up a chance to play with one of his idols, Paul Simon, at the Rock & Roll Hall of Fame recently. “Paul Simon for me is such a huge part of my music,” Mayer tells us. “I don’t reference it all the time. But it’s really there. So it was brought to him, and lucky for me he agreed. It was a huge surprise. He wanted to do it, which to me was a huge compliment.