It’s not all work for John Mayer, who is in Nashville and slated to film an upcoming episode of CMT’s Crossroads with Keith Urban Tuesday.

On Sunday, the rocker stepped out to dinner with Nashville resident – and good friend – Taylor Swift, at hot spot Cabana. The two, who recently recorded “Half of My Heart” for Mayer’s latest album Battle Studies, were joined by a group of about 15 friends and sat next to each other throughout the meal. But the gathering was friendly – and not romantic. “It looked like a big group of Nashville friends,” a source says of the group.

“They were so nice,” the source says of the two singers, who enjoyed their meal at a quiet table away from other diners but were also chatty with restaurant and bar staff.

And Swift is one dedicated diner. According to the source, this was her second visit to Cabana in one week. She stopped in on Jan. 19 with a smaller group of friends and ordered the Blanco pizza with provolone cheese and roasted garlic.

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