Melinda Clarke’s upcoming Vampire Diaries arc just got a whole lot juicier.

Executive producer Kevin Williamson tells me that Matt’s trashtastic mother, Kelly, will blow into Mystic Falls and waste no time digging her cougar claws into Ian Somerhalder’s Damon.

“If I didn’t have Kelly and Damon hook up there would be no God,” declares Williamson with a laugh. “What’s the point of doing TV if you’re not going to put those two characters together? That’s going to be a fun relationship to explore.”

Of course, Williamson points out that Kelly Donovan has more to offer than a reputation as a bad mom and a healthy appetite for vampire sex. Clarke’s character also shares a rich history with the town’s adult population. “We’ll reveal that she was friends with Sheriff [Elizabeth] and Elena’s mother,” he says. “The three of them were really tight friends back in the day. Sheriff and Kelly, in particular, have ongoing issues to deal with.”

DVR alert: Clarke’s Vampire Diaries debut is slated for not soon enough March 25.

What do you think? Agree with Williamson that Damon and Kelly make a heavenly couple? Sound off below!

“It’s a must-see for anyone who loves excitement, romance, danger, betrayal, love, death and sex,” the actress says. “I play Bonnie Bennett, who has psychic abilities. She’s also a witch.”

Almost as intriguing is Graham’s own background. The singing, dancing 20-year-old, who was born in Geneva and speaks four languages, has several films coming up, including “Bleachers,” a remake of “The Breakfast Club,” and “The Roommate” with Leighton Meester and Minka Kelly.

Her marital/dating status?

“Just say I giggled,” she said.

Which she did. Thank goodness, she was more forthcoming about her weekends.

To read more of Mark Sachs’ interview with Katerina Graham, and to find out what she likes about 8 oz. Burger Bar, Vienna Cafe and Sushi Nozawa, click here.