We're only a week into the year, but "Men's Health" magazine has already decided who the 100 Hottest Women of 2013 are.  And at the top of their list is Katy Perry.

#1.) Katy Perry

#2.) Mila Kunis

#3.) Christina Hendricks

#4.) Jennifer Lawrence

#5.) Jennifer Aniston

#6.) Scarlett Johansson

#7.) Angelina Jolie

#8.) Beyonce

#9.) Gisele Bundchen

#10.) Amber Heard

see the entire list ---> Men's Health