media_removed_toofab 2013

For those who believe that age is just a number, Courteney Cox is living proof.

The 48-year-old was just spotted rocking a teeny purple bikini while on vacation in Miami over the weekend ... and she looks amazing!

The mother of one -- daughter Coco with ex David Arquette is 8 years old -- showed off a toned physique that women half her age would love to have. Lookin' good, Court!

Courteney has a lot to be grateful for this Thanksgiving week -- her cult hit sitcom "Cougar Town" was snatched up by TBS after ABC pulled the plug, and new episodes are set to debut in January.

Click "Launch Gallery" above to see more of 2012's best celeb beach bodies!

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