Christie Brinkley shares ultra-rare photo of only son Jack

hellomagazine.com:

Christie Brinkley took to social media on Monday to share a rare photo of her son Jack after they stepped out to watch the men's final at the US Open.MORE: Sailor Brinkley embraces change as she showcases brand new lookTaking to Instagram, the 68-year-old posted a heartwarming photo of the mother-son duo posing at the USTA Billie Jean King National Tennis Center in Flushing, New York.WATCH: Christie Brinkley poses in flirty dress with daughters in wonderland gardenBeaming from ear to ear, Christie and Jack appeared in high spirits as they soaked up some tennis action.MORE: Christie Brinkley impresses fans with filter-free appearance as she reveals beauty secretMORE: Christie Brinkley films inside stunning Hamptons home – and just look at all those hatsDressed up to the nines, Christie opted to wear a chic white polka dot dress which she paired with a striking mulberry-hued suede jacket.

The mum-of-three accentuated her waist with a brown leather belt for the most flattering look. The duo spent some quality time togetherJack, meanwhile, looked particularly dapper in his smart navy chinos and matching suit jacket.

Mastering the smart-casual aesthetic, the 27-year-old teamed his dark ensemble with a crisp white T-shirt.Christie captioned her post: "My son @jackbrinkleycook and I go every year to the mens #finals @usopen and every year we say "this was the best one!" Tennis has two new stars and we had a [ball] watching them!!"The former model's fans raced to weigh in on the post, with one writing: "What a beautiful tradition!!," whilst a second remarked: "This is awesome…You have such a handsome son & I love your white & black polka dot dress with hot pink ( fuchsia) jacket, You look gorgeous Christie." Christie is a.