Katy Perry named world's hottest woman

The hot list is scored a wonder! Katy Perry has exceeded the 2010 Maxim's Hot 100 List, hitting the winner of last year, "House" star Olivia Wilde, until No. 20.

Perry was elected as "a triple - no, quadruple - a type of heat," Maxim editor in chief Joe Levy says UsMagazine.com.

"'S' you feel when you suddenly realize that the smartest, funniest, coolest girl you know is also the best looking and pretty good skater, too. Suddenly, you like going supernova, and this Katy s is now''supernova. " Model Brooklyn Decker was second on the list, reports The New York Daily News.

"This model Victoria secret fire 'makes even our female staff and stop looking," said Levy.

"Avatar" star Zoe Saldana came in third, ahead of "Gossip Girl" Blake Lively Beauty, who was ranked No. 4.

Megan Fox fell three places to number five.

Completing the "hot" top 10 is Rihanna, Italy George Clooney 'girlfriend Elisabetta Canalis, Olivia Munn, Kim Kardashian and model Marisa Miller.

Maxim Hot 100 Top 20

1. Katy Perry

2. Brooklyn Decker

3. Zoe Saldana

4. Blake Lively

5. Megan Fox

6. Rihanna

7. Elisabetta Canalis

8. Olivia Munn

9. Kim Kardashian

10. Marisa Miller

11. Eva Mendes

12. Audrina Patridge

13. Amber Heard

14. Scarlett Johansson

15. Amanda Bynes

16. Selita Ebanks

17. Leighton Meester

18. Christina Aguilera

19. Bar Refaeli

20. Olivia Wilde.