Katy Perry & John Mayer: Matsuhisa Date Night!

Katy Perry and John Mayer keep close while heading into Matsuhisa restaurant for dinner on Thursday (December 27) in Beverly Hills, Calif.

The 28-year-old singer and her 35-year-old boyfriend are on the west coast celebrating the holidays together this week.

PHOTOS: Check out the latest pics of Katy Perry

Katy tweeted a photo on Christmas of John dressed up as her “Santa Baby”!

Over the weekend, Katy and John donated their time to spend the afternoon with patients at a hospital on behalf of the Dream Foundation.