![](\"http:\/\/ww-vb.mine.nu\/w108\/wp-content\/uploads\/2018\/02\/rebecca-gayheart-eric-dane-divorce-drama-pp22-1.jpg\"\/)
<\/p>\n<\/p>\n
Multiple troubling issues sent the train-wreck union of Eric Dane<\/a><\/strong> and Rebecca Gayheart<\/a><\/strong> flying off the rails, RadarOnline.com has learned.<\/p>\n \u201cTheir marriage has been a disaster for more than a decade,\u201d revealed a source close to the troubled couple.<\/p>\n An insider added: \u201cThe relationship has faced its challenges, including Eric\u2019s wandering eye over the years<\/a>.\u201d<\/p>\n PHOTOS: \u2018Flip Or Flop\u2019 Stars Tarek & Christina El Moussa Put Divorce Stress On Kids During Christmas<\/a><\/p>\n Both Gayheart, 46, and Dane, 45, have admitted to substance abuse problems. Each has spent time in rehab<\/a>.<\/p>\n The two wed in 2004, three years after Gayheart pleaded no contest to vehicular homicide charges after she struck and killed a nine-year-old boy.<\/p>\n In 2009, the couple was embroiled in a sex scandal when a leaked video showed a woozy Dane \u2014 then at the height of his fame as Dr. McSteamy on Grey\u2019s Anatomy<\/em> \u2014 in a hot tub session with Gayheart and a former teen beauty queen.<\/p>\n PHOTOS: Where\u2019s Tarek? Christina Spotted At \u2018Scam\u2019 Seminar After Explosive Divorce Filing<\/a><\/p>\n Two years later, Dane sought treatment for addiction to prescription painkillers.<\/p>\n Last year, the actor checked himself into rehab under a gloomy cloud of \u201cclinical depression,\u201d and took a break from shooting TV\u2019s The Last Ship<\/em><\/a>.<\/p>\n Gayheart cited \u201c\u00adirrecon\u00adcilable differences\u201d in divorce papers filed on Feb. 16<\/a>.<\/p>\n The former Beverly Hills, 90210 star is seeking spousal support and joint custody of the couple\u2019s daughters, Billie, 8, and Georgia, 6.<\/p>\n