Look away Justin! Selena Gomez gets playful and passionate with her handsome male co-star on set of new movie

Justin Bieber, her boyfriend, is well known for being quite protective of her.

Thus, it’s unlikely that the teenage idol will take well to Selena Gomez locking lips with a different man.

Up close and personal: Selena Gomez puckered up with Nat Wolff on the Sherman Oaks set of Parental Guidance today

The 20-year-old Wizards of Waverly Place actress, nevertheless, appeared to be enjoying every second of her career as she puckered up for her most recent film role.

Today, Selena and Nat Wolff were filming sequences in Sherman Oaks, California, for the movie Parental Guidance.

Fun and flirty: Even when the cameras weren't rolling the pair seemed to be getting on like a house on fire

The 17-year-old Nat gently held Selena’s face while she leaned in and put her arm around his waist during their intense and gentle kiss.

Perks of the job: While Selena looked like she was having a great time, her boyfriend Justin Bieber probably won't be pleased

Furthermore, the couple appeared to be hitting it off off-camera even when they weren’t making out.

While Selena seemed to be plucking a feather from Nat’s hair, she couldn’t stop laughing.

Tender embrace: Nat held Selena's face during their kiss while she placed an arm around his waist

The singer and actress looked gorgeous for the part, flaunting her slim legs in a candy striper’s costume.

Tender embrace: Nat held Selena's face during their kiss while she placed an arm around his waist

Nat, a rising star, was casually attired in jeans and a blue T-shirt.

Selena and Justin went out on a date night to the well-known comedy club in Los Angeles, The Laugh Factory, last night.

While I’m Dead… Feed the Dog, written by Ric Browde in 2000, is the basis for Selena’s newest movie.

Adorable outfit: Selena looked cute in a candy striper's uniform which showed off her slender legs

Selena will be starring in the unconventional coming-of-age comedy as Nina Pennington, opposite Nat and Austin Stowell.

The protagonists of the tale are Wolff, 16, and Gomez, 16, his lover, who wind up in the back of a limousine while pursuing their dream of becoming rock and roll superstars.

Legs eleven: Selena looked lovely in the sweet uniform as she played in feathers

Dylan McDermott and English actor Cary Elwes are also in the Tim Garrick-written and -directed movie.

Strong chemistry: No doubt the pair's great chemistry will translate on screen for the coming-of-age comedy