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Are you ever curious what size your favorite stars really are? You see them on TV and wonder if it is really that possible that they are that thin. OK Magazine this week revealed the sizes of six popular Hollywood ladies:

Eva Longoria Parker size 0

Jennifer Aniston size 2

Eva Mendes size 4

Katherine Heigl size 6

Mariska Hargitay size 8

America Ferrera size 10

Match your BMI to these ladies and other stars with the Diets In Review Celebrity BMI widget. You can even share it with friends on Facebook.