Shawn Mendes and Camila Cabello lunch before taking their dog Tarzan for a walk around Toronto

He just celebrated his 23rd birthday.

And Shawn Mendes looked content while walking around his hometown of Toronto, Canadat with girlfriend Camila Cabello and their dog Tarzan on Tuesday.

The In My Blood singer and Havana songstress, 24, made the most of their day, first enjoying an open air lunch before grabbing coffee.

Hometown hero: Shawn Mendes showed girlfriend Camila Cabello around his hometown of Toronto, Canada on Tuesday

Shawn opted for a 90s-chic outfit, teaming light denim with a distressed black and white Sting tee shirt as he walked his Golden Retriever.

Completing the look on a retro note, he donned a chain necklace and white sneakers with high socks.

Camila looked summer chic besides him, donning a green plaid maxi-dress with gold jewelry, leather sandals and a crossbody bag.

Walk and talk: Shawn opted for a 90s-chic outfit, teaming light denim with a distressed black and white Sting tee shirt as he walked his Golden Retriever

Lunch in the sun: The In My Blood singer and Havana songstress, 24, enjoyed an open air lunch before grabbing coffee

The couple enjoyed the good weather with an outdoor lunch, which also allowed them to dote on Tarzan. 

The pop star took to Instagram that same day to share a handsome snap with Tarzan.

Sitting on a stoop while sipping on coffee and donning a sleeveless NASCAR tee with his beloved dog at his side, Mendes captioned the snap: ‘Home.’

Man’s best friend: The pop star took to Instagram that same day to share a handsome snap with Tarzan

Home, sweet home: Sitting on a stoop while sipping on coffee and donning a sleeveless NASCAR tee, Mendes captioned the snap: ‘Home’

Shawn and Camila were in Toronto after celebrating Mendes’ birthday at Little Sister Lounge in Manhattan’s East Village on Saturday night.

Video from the boozy bash showed a friend lifting Mendes above his head on the dance floor, as well as a birthday cake decked out with sparklers and a big marquee sign reading ‘Happy bday Shawn.’

The next day Shawn teased a treat for fans, telling fans to ‘pre-save’ his song Summer Of Love before its yet-to-be announced release date.

Party! Shawn and Camila were in Toronto after celebrating Mendes’ birthday at Little Sister Lounge in Manhattan’s East Village on Saturday night