Best Bikini Moments

updated 12/29/2008 AT 01:00 AM EST

originally published 12/29/2008 AT 01:00 AM EST

Bridal Bikini
Mariah Carey
After her Bahamas wedding to Nick Cannon, she frolicked with her new husband on the beach.

Bikini Over 60
Helen Mirren
"I'm always on a diet!" the 63-year-old star has said.

Bikini Over 40
Nicollette Sheridan
She keeps fit at 45 with daily runs.

Bikini After Baby
Jessica Alba
Only three months after giving birth, she had shed 35 pregnancy lbs. (PEOPLE readers voted Alba best bikini body; see page 126.)

Tweenie Bikini
Ashley Tisdale
"I worked hard for this body," she says, "so I want to show it off!"

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