Cook, matched in orange outfits by Donna Karan at the Solving Kids Cancer Annual Hamptons Luncheon in New York on Aug. 4.

Christie Brinkley and her daughter Sailor Brinkley Cook were approached by the same men on a dating app despite their 44-year ...

Model Christie Brinkley shared that her 27-year-old daughter Sailor Cook made her a dating profile, and found that she and ...

Musician Alexa Ray Joel opened up to PEOPLE about how she reacted watching her dad's new HBO documentary "Billy Joel: And So ...

Christie Brinkley, 71, said daughter Sailor Brinkley Cook, 27, ran a dating app experiment and they both matched with the ...

Christie Brinkley and Sailor Brinkley Cook stunned in twinning orange ensembles styled by Donna Karan to benefit Solving Kids ...

Christie Brinkley shared a "fascinating" confession about her experience using dating apps during an appearance on Kristin ...

Christie Brinkley and Sailor Brinkley Cook joined a bevy of high-profile guests on Monday for the Solving Kids Cancer annual ...

Christie Brinkley and her youngest daughter, Sailor Brinkley Cook, recently appeared in a styling session with Donna Karan.

Like mother, like daughter. At the Solving Kids Cancer Annual Hamptons Luncheon on Monday, Christie Brinkley, 71, and her ...

Brinkley is a mom to three children: Alexa, 39, whom she shares with ex-husband Billy Joel; son Jack, 30, whom she shares ...