The couple, who married in 1997, wear revealing black swimwear in the pic Sylvester Stallone/Instagram is taking a walk down memory lane. In celebration of his wife Jennifer Flavin Stallone's 56th birthday, the 78-year-old actor shared a series of throwback photos of the couple, who married in 1997. The last slide of the Wednesday, Aug.

14 Instagram carousel shows the duo leaning on a metal railing in front of serene blue water. The couple wore matching black swimwear; Jennifer in a strapless, high-cut one-piece and the star in his own revealing suit, showing off his famous muscular physique. "Happy birthday to my wife, Jennifer!" Sylvester captioned the post.

"Myself and the children think you are absolutely amazing. We love you forever! Sylvester Stallone/Instagram Related: In the post's first photo, Jennifer sits on Sylvester's lap. The actor looks casual in a gray cable knit sweater while Jennifer wears a monochromatic beige ensemble.

The next slide shows the couple walking hand in hand on a boardwalk, Sylvester in a tank top and shorts and Jennifer in a denim mini dress. In honor of his 78th birthday on July 6, Jennifer shared her own sweet tribute to her husband. "Happy Birthday my love!! 💘🎂🎉," she captioned the post, which included a photo from the couple's 1997 wedding.

"You bring so much laughter, love, adventure, and strength to our family. I’m having more fun with you now than I’ve ever had! Excited to keep loving you forever! ❤️❤️❤️❤️�.