Christina Applegate on her 'Vacation' character: 'She was a naughty naughty girl'

Christina Applegate is letting her funny bone fly in the new comedy Vacation, in which she plays the hilarious Debbie Griswold opposite Hollywood heartthrob Chris Hemsworth. The 43-year-old actress opens up about her character in a clip exclusively obtained by Hello! Online.

Debbie is married to Rusty Griswold, played by The Hangover star Ed Helms, and the couple have two sons together.

The family set off for a summer holiday, with Debbie hoping to bring some "fun and spice" back into her life.

Chris Hemsworth and Christina Applegate star in Vacation, which is due for release in August

“She was a naughty, naughty girl,” Christina said, laughing about her entertaining character. “She moved on and became a great mother and a great wife but she just misses having spice and fun.

“She loves Rusty but we kind of find them at this point where she’s been stuffing her feelings for too long and Debbie’s going through a crisis.”

CLICK THE IMAGE TO VIEW IN THE GALLERY The 43-year-old looked gorgeous at the Los Angeles premiere for the comedy

The trailer shows Debbie swooning over the young and handsome Stone Crandall, played by Thor actor Chris, who will no doubt keep female viewers happy with his twinkly eyes and a topless scene.

“I love that she’s got spunk and has an opinion,” added Christina of her character. "She’s not just going along for the ride."

Vacation hits Canadian theatres on July 29. Christina and the cast have been out in full force promoting their new comedy.

On Monday night the Anchorman star stepped out in an asymmetrical black dress that featured a neon yellow pleat. Christina was joined on the red carpet by her Dutch musician husband Martyn LeNoble, who she married in February 2013, and her hunky co-star Chris.

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