Paulina Porizkova, Halle Berry and Elizabeth Hurley prove age is just a number in bikini photos

Celebrities are proving age is just a number.

Paulina Porizkova, Halle Berry and Elizabeth Hurley are just a few of the stars over 55 who stunned in recent Instagram posts showcasing their toned bikini bodies.

Whether they were celebrating a milestone birthday or vacationing with their friends, these stars wowed fans.

Here are some of the best bikini photos from this week.

PAULINA PORIZKOVA WOWS IN STRIKING BIKINI WHILE CELEBRATING HER 61ST BIRTHDAY

Paulina Porizkova...