Actress Paula Patton has filed for divorce from singer Robin Thicke after separating earlier this year.<br/> <br />The 38-year-old actress filed divorce papers in Los Angeles Superior Court on October 3rd, asking for joint custody of the couple's four-year-old son.<br/> <br />"Blurred Lines" singer Thicke, 37, who caused a sensation with a raunchy MTV Video Music Awards performance last year with Miley Cyrus, met Patton when they were teenagers and the pair have been married since 2005. They separated in February.<br/> <br />Patton was the inspiration behind much of Thicke's music and appeared in some of his videos. The crooner's latest album, "Paula," a critical and commercial failure, was released in July and dedicated to Patton.
