Melanie Griffith files for divorce from Antonio Banderas after 18 yrs of marriage.

OMG......how can after 18yrs???  According TMZ, after 18 years together, actress Melanie Griffith, 56, has filed for divorce from Antonio Banderas, 53, saying irreconcilable differences cause the divorce. Sources tell TMZ the split is 'amicable.' 

Melanie and Antonio married on May 14, 1996. They have a daughter, Stella del Carmen Banderas, born on September 24, 1996. This will be Melanie's fourth divorce: she was twice married to Don Johnson and also married to Steve Bauer. It's Banderas' second divorce.