From PEOPLE Magazine Click to enlarge
20s

SELENA GOMEZ, 20

NINA AGDAL, 21

JENNIFER LAWRENCE, 22

HAYDEN PANETTIERE, 23

JULIANNE HOUGH, 24

RIHANNA, 25

ASHLEY GREENE, 26

ASHLEY TISDALE, 27

ASHLEE SIMPSON, 28

OLIVIA WILDE, 29

30s

ADRIANNE CURRY, 30

RACHEL BILSON, 31

JESSICA ALBA, 32

PINK, 33

KOURTNEY KARDASHIAN, 34

KARINA SMIRNOFF, 35

KYM JOHNSON, 36

MILLA JOVOVICH, 37

STEPHANIE MARCH, 38

ALI LANDRY, 39

40s

JENNY McCARTHY, 40

JADA PINKETT SMITH, 41

PADMA LAKSHMI, 42

JENNIFER LOPEZ, 43

NAOMI WATTS, 44

50s

DEMI MOORE, 50

SHERYL CROW, 51

ANGELA 'BIG ANG' RAIOLA, 52

NANCY SHEVELL, 53

MELANIE GRIFFITH, 55