Katy Perry & John Mayer: Chateau Marmont!

Katy Perry hops into a car with John Mayer on Wednesday (August 1) in West Hollywood, Calif.

The 27-year-old singer and John, 34, spent the night together at Chateau Marmont before leaving in the same vehicle.

PHOTOS: Check out the latest pics of Katy Perry

Katy and John spent the evening together at Soho House back in June, according to US Weekly. “They were affectionate, holding hands and cuddling!” a source told the mag.

In case you missed it, check out Katy on the cover of Elle magazine‘s September 2012 issue.