Article continues below advertisementA legal battle between Charlie Sheen and his ex-wife Brooke Mueller has exploded once again - more than a decade after their divorce was finalized in 2011.Mueller filed court documents on Thursday, December 4, accusing Sheen of failing to pay her the full $660,000 per year in child support she claimed to be awarded as part of an agreed upon settlement to legally end their marriage.As a result, Mueller is demanding a judge order Sheen to pay her back millions of dollars in interest and requested a scheduled hearing to determine a specific amount.