Katy Perry hits the DJ booth with Lorde as they attend the Universal Music After-Party for the 2014 BRIT Awards held at the Soho House Popup Bar on Wednesday night (February 19) in London, England.
The 29-year-old performer also stopped by the Warner & Belvedere Party at The Savoy Hotel that night.
PHOTOS: Check out the latest pics of Katy Perry
Later that night, Lorde changed up her outfit to catch a flight out of Heathrow Airport.
Across the pond in New York City, Katy‘s boyfriend John Mayer was seen stepping out of his hotel in the downtown neighborhood.
15+ pics inside of Katy Perry and Lorde partying together while John Mayer is in NYC…
Photos: Getty, INFPhoto, PacificCoastNewsOnline
Posted to:2014 Brit Awards John Mayer Katy Perry Lorde