Melanie Griffith and Antonio Banderas Divorcing

Getty Images

After 18 years of marriage, actors Melanie Griffith and Antonio Banderas are calling it quits, according to documents obtained by ETonline.

The 56-year-old actress filed for divorce citing "irreconcilable differences." She is asking for child support and sole physical and joint legal custody of their 17-year-old daughter Stella, who turns 18 in September.

The estranged couple gave a joint statement to ET, saying, "We have thoughtfully and consensually decided to finalize our almost twenty years marriage in a loving and friendly manner honoring and respecting each other, our family and friends and the beautiful time we have spent together."

RELATED: Guess Who Else Broke Up Today!

This will be Griffith's fourth divorce and Banderas' second. The Milk Money actress was married to Miami Vice star Don Johnson twice (1976; 1989–1996) and to Steve Bauer (1982-1987). Griffith has two children from her previous marriages. She and Johnson are parents to 24-year-old Fifty Shades of Grey star Dakota Johnson, and Bauer and the starlet have a son named Alexander Bauer.

As for the Puss in Boots actor, 53, he was married to actress Ana Leza from 1987-1996.

RELATED PICS: More Celebrity Splits

Griffith and Banderas wed in a private London ceremony in May 1996, not long after the actor's split from his first wife.

Are you surprised by this split?