If we define "worst" as "most expensive," we can get some pretty clear answers:Mel Gibson and Robyn Denise Moore - The couple met in the late 1970s and married June 7, 1980, then filed for divorce in April 2009. When the divorce was finalized in 2011, Moore was reportedly awarded half of Gibson's $850 million fortune.Michael Jordan and Juanita Vanoy - The couple married in September 1989 in Las Vegas and filed for divorce on Dec. 29, 2006. Vanoy was awarded $168 million in the settlement, along with the couple’s seven-acre Chicago estate and custody of their three children.Neil Diamond and Marcia Murphey - The couple was married for 26 years, and many sources reported that Diamond gave up $150 million in his divorce settlement with Murphey. However, the singer claimed the reports were in