Sebastian Stan Packs on PDA with Girlfriend Alejandra Onieva in Mexico!

Sebastian Stan and his girlfriend Alejandra Onieva pack on the PDA while enjoying a beach day on Sunday (November 8) in Tulum, Mexico.

The 38-year-old actor showed off his toned, shirtless Marvel physique while his 28-year-old actress girlfriend rocked a teeny bikini for their day off in the tropical location. See all of the beach photos in the gallery of this post!

If you don’t know, Sebastian and Alejandra were first linked when we got these photos of them kissing back in July on another vacation together! They were most recently photographed together back in August in New York City.

Check out the photos of Sebastian Stan and his girlfriend Alejandra Onieva packing on the PDA on the beach in Mexico…