Zac Efron & Sami Miro's Puppy Love Melts Our Hearts!

Zac Efron shows off his bulging muscles while stepping out for lunch with girlfriend Sami Miro on Wednesday (December 17) in Los Angeles.

The 27-year-old actor and his lady love was joined by their adorable pet pooch, which they adopted together last month.

PHOTOS: Check out the latest pics of Zac Efron

Earlier in the week, Sami bared her midriff in a pic on Instagram and wrote, “Pon di dancefloor @samahaya @margeaux.m @jaeblazem @fainouveau.” Check out the pic below!

In case you didn’t know, Zac has been rocking a mustache while working with Joseph Gordon-Levitt on HitRecord on TV.

FYI: Zac is wearing a Tokyobay bracelet.

15+ pictures inside of Zac Efron and Sami Miro heading to lunch…