Christie Brinkley, aged 70, surprised fans at a recent launch party. Despite her stunning look, her outfit choice sparked debate, with some saying it was too revealing for her age.

Brinkley attended the Sports Illustrated Swimsuit Issue launch party, celebrating its 60th anniversary. She wore a bold $225 gown with a thigh-high slit and long, dramatic sleeves that swept the floor.

During the event, as she posed for photos, the flowing fabric caught the wind, creating striking poses.

Brinkley also features on one of the covers for the anniversary issue of Sports Illustrated Swimsuit, alongside other icons like Martha Stewart, Tyra Banks, Chrissy Teigen, and Kate Upton.

Brinkley took to Instagram to share the shot as well as the two other group covers, adding that she was grateful to the magazine – having appeared on the cover a whopping eight times since her debut in 1975 aged just 21.

“I am grateful beyond measure for my many happy adventures with @si_swimsuit,” she wrote in the caption, writing how “lucky” she felt to get to know some of the women pictured.

Fans were quick to shower the ageless beauty with compliments for her stunning red number, praising her radiant and glowing look. “Stunning as always,” one admirer noted, while another added: “I’ve got to give it to her, she looks awesome in this dress!”

Though, the gown’s bold design was not met with universal approval. Some critics felt it was too daring for someone of her age. One person commented: “She is dressed inappropriately for her age. No need to have a slit up to there! She is a grandma…”

Another user expressed their apparent disappointment, saying: “She used to be so classy and beautiful, now just desperate.”

Despite these mixed opinions, many believe that Brinkley looks fabulous, and her confidence only adds to this!

The evening was a celebration of Brinkley’s long-standing relationship with Sports Illustrated, marking a significant milestone in the magazine’s history.

While her choice of outfit sparked some debate, it also showed off her admirable confidence. Whether met with praise or criticism, Brinkley is an example of timeless elegance, proving that true style has nothing to do with age!

What do you think of Christie Brinkley’s outfit? Let us know your thoughts!