Ethan Embry -- 'Can't Hardly Wait' Star Getting Divorced

Nick Papageorgio ... from Yuma ... is about to be single again ... TMZ has learned the wife of "Vegas Vacation" star Ethan Embry has filed for divorce.

Sunny Mabrey -- a model who once starred in Limp Bizkit's "Nookie" video -- filed documents in L.A. County Superior Court ... asking a judge to end her 7-year marriage to 34-year-old Embry.

36-year-old Sunny -- who filed the documents without a lawyer -- blamed the split on irreconcilable differences.