Katy Perry & John Mayer: 'SNL' After-Party Pair!

Katy Perry keeps close to her boyfriend John Mayer as they leave the Saturday Night Live after-party held at Heartland Brewery on Saturday (October 12) in New York City.

Earlier in the night, the 28-year-old singer took the stage to perform “Walking on Air” and her hit single “Roar” during the show, which was hosted by Bruce Willis.

PHOTOS: Check out the latest pics of Katy Perry

The day before, Katy got dolled up to stop by SiriusXM’s Town Hall to promote her upcoming album Prism, while John was spotted in a suit exiting his hotel.