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 Shows Off Her Toned Body on Her 70th Birthday / Bright Side

Christie Brinkley shows off toned abs in 70th birthday post - ABC News

Christie Brinkley, 67, stuns in bikini photo

Christie Brinkley and John Mellencamp are spending time together

Christie Brinkley, 70, Shows Off Toned Abs in Mirror Selfie

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Christie Brinkley, 65, flaunts chiseled abs in red-hot bikini

Christie Brinkley bares her toned abs in 70th birthday post

At 70, Christie Brinkley Shows Off Her Abs In Body-Positive Instagram—See The Photos