Katy Perry has denied “bumping uglies” with Benji Madden.

The ‘Hot n Cold’ singer sparked rumours she was dating the Good Charlotte rocker when they were spotted enjoying a cosy evening in Las Vegas on Valentine’s Day (14.02.09), but she insists they are just friends.

She wrote on her blog: “It’s two pseudo famous people sitting next to each other. doesn’t mean we were bumping uglies! You know I don’t just do that with anyone!”

The 24-year-old singer – who recently joked she was going to remain celibate after splitting from Gym Class Heroes rocker Travis McCoy – explained she was celebrating the romantic day with a group of friends.

Admitting she only has time for her pet cat, she wrote: “I was there celebrating a really fun show and a boozy Valentine’s Day with all my good friends. We were like a group of 25! Benji is a nice young fellow, but my heart really belongs to kitty purry/markus molinari.”

Katy, who is currently in Monte Carlo, jokes she travels so much she hopes to get a new boyfriend with the air miles she has clocked up.

She wrote: “I’m in Monte Carlo/Monaco, France right now. Oh shayth do I have frequent flyer milez for days. I wonder if you can cash in frequent flyer miles for a boyfriend rather than just dinners and gift certificates for starbucks? How many miles for brad pitt, pls (sic)?”