The popstar was named the hottest woman of 2013.
MensHealth.com wrote on their website that at only 28, Katy has already been nominated for eight Grammy awards, including album of the year, CBS News reported.
The website added that nobody had been able to get enough of Perry in 2012 and for that very reason, they chose to give her the title.
The petite Black Swan beauty was runner-up to Katy, taking second spot.
Buxom Mad Men actress Christina’s legendary curves saw her to third place.
Deemed Hollywood’s latest ‘it’ girl, Jennifer came in fourth on the list.
Rounding off the top five, Jen managed to hold her own against her much younger rivals.
MensHealth placed curvy A-lister Scarlett in sixth spot.
Following close on Scarlett’s heels was Angie, who came in seventh.
The shapely diva was the second entrant from the music industry on the list after Katy, coming in at eight.
Brazilian bombshell and mother-of-two Gisele just about made the cut in ninth place.
And finally, Johnny Depp’s rumoured new ladylove Amber rounded off the top 10.