All the Details on Zac Efron and Girlfriend Sami Miro's 'Adorable' Dinner Date with Kids

It looks as though Zac Efron and girlfriend Sami Mir could make great parents one day!

The couple were spotted enjoying a date night with friends at ROKU restaurant in Los Angeles on Thursday.

“Zac and Sami were mutually super engaging with their friends’ kids,” an on-looker tells PEOPLE. “It was so cute.”

The 28-year-old Dirty Grandpa actor has been dating Miro, 27, since November 2014, and have a dog, Chappelle, together.

“You could tell that they had very paternal instincts as Zac even had one of the kids on his lap at some point, the on-looker explains. “Sami also helped one of the other children wipe their face with their napkin. It was adorable.”

Even with the kids, the night was still a romantic one for the pair.

“They were both laughing and cuddling during dinner and were genuinely enjoying the company of the other family that they were with, the on-looker adds.

Efron gushed about his girlfriend when he stopped by the Ellen DeGeneres Show telling the host, “Things are great. She’s awesome, she’s a superstar.”