The nightmare is over for Stacey Dash ... a judge has finally granted her divorce from actor Emmanuel Xuereb -- the man she claims beat her up on multiple occasions. Dash -- arguably hotter than another famous 45-year-old (see poll) -- filed for divorce in January 2010 ... the same day she filed…

Stacey Dash from "Clueless" claims her soon-to-be ex-husband beat her on multiple occasions ... and she got a restraining order against him on the day she filed for divorce. TMZ obtained the restraining order -- originally signed by a judge January 29 and still in effect -- in which Dash claimed…