Zac Efron & Girlfriend Sami Miro Hit the Gym Together

Zac Efron heads into the gym for a workout alongside his girlfriend Sami Miro on Tuesday (January 26) in Los Angeles.

The 28-year-old actor has been gearing up for his role in Baywatch recently by taking swimming lessons, and he isn’t shy about showing off his hard-earned bod!

PHOTOS: Check out the latest pics of Zac Efron

Zac gave Sami the birthday gift of a lifetime earlier in the week when he got his Dirty Grandpa co-star Robert De Niro to wish her a happy birthday in a hilarious “Funny or Die” video.

FYI: Zac is wearing Under Armour sneakers.

15+ pictures inside of Zac Efron and Sami Miro heading into the gym…