Dennis Quaid and Kimberly Quaid are ending their eight-year marriage. Five months after withdrawing her initial petition for divorce, Kimberly filed for divorce once again on Friday. She is seeking joint legal and sole physical custody of their 4-year-old twins. The couple announced separation in March but decided to give their marriage another chance. This is Quaid’s third divorce, he split with actress P. J. Soles in 1983 and then Meg Ryan in 2001.