John Stamos Can't Keep His Hands Off Girlfriend Caitlin McHugh -- See the Cute Pics!

John Stamos and his girlfriend make for one seriously attractive pair.

John Stamos and model-actress Caitlin McHugh are still going strong!

The 52-year-old Fuller House actor and his gorgeous girlfriend stepped out for a shopping trip in West Hollywood, California, on Wednesday, and weren't afraid to share some public smooches.

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EXCLUSIVE: Jodie Sweetin Has High Praise for John Stamos' New Girlfriend -- 'We Are Welcoming Her Into the Family'

Clad in a comfy, blue button-down and jean shorts, McHugh smiled as she walked side by side with her beau.

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ET confirmed in March that Stamos and McHugh, who's appeared on The Vampire Diaries and Switched at Birth, were dating. Although the two have remained tight-lipped about their relationship, Stamos' Fuller House co-star, Jodie Sweetin, gushed about his new gal when we caught up with her backstage at Dancing With the Stars that same month.

"I actually met her a couple days ago. She is delightful," Sweetin exclusively told ET. "She's really sweet and we are welcoming her into the family. They're adorable, and we really like her."

Stamos has also already introduced McHugh to his closest friends. The actress Instagrammed a picture of herself with Stamos and his longtime mentor, director Garry Marshall, on Wednesday, to mourn Marshall's death at 81 years old.

"I only had one brief conversation with him and this one goofy picture as proof, but I've enjoyed many of his shows and films, and heard many wonderful things about the man he was," McHugh wrote. "He'll forever live on and continue to entertain us through his extensive body of work and through those who loved and knew him well. You will be missed Garry Marshall."

WATCH John Stamos Reveals His Signature Move in the Bedroom -- 'I Do the Stamos Straddler'

Watch the video below to see the attractive couple going on a sweet ice cream date in March.