Sylvester Stallone Shares Sexy Throwback for Wife Jennifer Flavin's Birthday: See Their His-and-Hers Swimsuits

The couple, who married in 1997, wear revealing black swimwear in the pic

Sylvester Stallone 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 Rocky 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!

Related: Sylvester Stallone and Jennifer Flavin's Relationship Timeline

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!
❤️❤️❤️❤️❤️"

Sylvester and Jennifer also recently celebrated their daughter Sistine's 26th birthday.

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Along with a series of photos of himself and his daughter, the actor wrote a sweet tribute in the caption. "Happy birthday to @sistinestallone our amazing daughter, who brings nothing but happiness," he said. "So so proud to be your father!"

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Jennifer shared her own post that included baby pictures of Sistine.

"Happy birthday to my beautiful daughter, Sistine! 🎉🎂💝💐🌷🌺You have brought so much happiness into my life and I am internally grateful. You are intelligent, kind, hard-working, and my best friend.I love you more than words can express. Mom❤️," she wrote in the caption.

Sylvester and Jennifer are also parents to daughters Scarlet, 22, and Sophia, 27. The Rambo actor also has two sons, Seargeoh, 44, and Sage, who died on July 13, 2012, with ex-wife Sasha Czack.

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