Oscar-winning filmmaker and actor Ben Affleck was the one slinging their orders.
Sightings of his wife, Jennifer Lopez, were also reported on social media.
The Hollywood power couple was reportedly in Medford filming something for Massachusetts-based coffee and baked goods chain.
Affleck grew up in nearby Cambridge.
Boston's ABC station, WCVB, spoke with the Lisa Mackay who went through the drive-through of the location around 10 a.m. and was greeted by a familiar voice.
"You can't take the Boston accent out of the boy," she said.