Christie Brinkley bares her toned abs in 70th birthday post

The supermodel celebrated her milestone birthday in a white Alo Yoga bra and leggings as she shared some musings on getting older Tuesday.

Christie Brinkley, 70, Shows Off Abs In Body Positive Instagram

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Christie Brinkley shows off her very toned abs as she admits she's 'finally happy' at 70, Celebrity News, Showbiz & TV

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Christie Brinkley, 70, Shows Off Abs In Body Positive Instagram