United Kingdom, Oct. 14 -- A fan who proposed to Katy Perry live on stage knew it was a "risky move" to get down on one knee for the singer.

The 40-year-old pop star was performing her Lifetimes show at London's The O2 Arena on Monday (13.10.25) when she invited Darren Trenchard onto the stage and he asked her to be his wife.

Darren has now reflected on the move and while he was "embarrassed and nervous", he praised the Firework hitmaker for being "lovely" to him.

He told Daily Mail: "On the day, I drew a big sign and folded it up in my pocket. I had no idea I'd be brought up on stage. When the spotlight came up, I ran to get to the stage on the off chance I make it to get a chance to go up.

"It was a bit of a risky move, but I though...