Jennifer Flavin, Sylvester Stallone's wife, files for divorce after 25 years of marriage.

Credit: Instagram

After 25 years of marriage, Sylvester Stallone and Jennifer Flavin are separating.

Credit: Instagram

On Friday, Flavin filed a petition in Palm Beach County, Florida, seeking "dissolution of marriage and other relief" from the Rocky actor, 76.

Credit: Instagram

Stallone and Flavin, 54, married in 1997, but their romance began in 1988 at a Beverly Hills restaurant.

Credit: Instagram

Scarlet, 20, Sistine, 24, and Sophia, 25, are their three daughters.

Credit: Instagram

Stallone has a son, Seargeoh, from his former marriage to Sasha Czack. Sage, his oldest child with Starlin Wright, died in 2012.

Credit: Instagram

Stallone has a son, Seargeoh, from his former marriage to Sasha Czack. Sage, his oldest child with Starlin Wright, died in 2012.

Credit: Instagram

Happy 25th anniversary to my amazing wife. There is not enough words to describe what this incredibly selfless dedicated , patient

Credit: Instagram

woman has meant to our lives and I only wish they could be another 25! Thank you sweetheart!

Credit: Instagram

On August 10, Flavin shared a photo of herself with the couple's three kids, saying in the caption, "Nothing else matters to me except these girls. Forever the four of us #truth #family #forever"

Credit: Instagram