‘Twilight’ Star Kellan Lutz and Monokini-Clad Girlfriend Sharni Vinson Hold Hands in St. Tropez (PHOTOS)

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Fans respond to Kristen Stewart's cheating scandal.
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Scenes from 'The Twilight Saga: Breaking Dawn -- Part II'.
Fear not, Twihards — there’s still one Twilight hunk who’s going strong with his gal.

Though Robert Pattinson and Kristen Stewart’s relationship is currently on the rocks, Breaking Dawn – Part II star Kellan Lutz and his Australian girlfriend Sharni Vinson are still head over heels for one another.

On Saturday, the duo were spotted taking a romantic stroll along the streets of St. Tropez, France. While Lutz, 27, flashed his buff arms in a white tank top, his 29-year-old ladylove showed off her fit figure in a skimpy monokini as the two held hands and packed on PDA.

So how are Lutz’s costars doing?

Stateside, Pattinson, 26, and Stewart, 22 have both moved out of their Los Feliz, Calif., love-nest after the actress admitted to a brief fling with Snow White and the Huntsman director, Rupert Sanders.

On July 25, Stewart issued a public apology to her beau for the tryst, saying, “This momentary indiscretion has jeopardized the most important thing in my life, the person I love and respect the most, Rob. I love him, I love him, I’m so sorry.”

As Celebuzz previously reported, Pattinson has cut off contact from his girlfriend during this tough time.

Though the word’s still out if the couple will reconcile, they are currently scheduled to join Lutz for The Twilight Saga: Breaking Dawn – Part II’s promotional tour in November.

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