Thursday was the day from hell for Brooke Mueller, sitcom star Charlie Sheen’s soon-to-be-ex-wife.

It started with frantic calls to friends for drug-free urine, continued with a failed attempt to hock an expensive watch in a sleazy Inglewood pawn shop -- and it ended with friends believing Mueller is hitting rock bottom.

Charlie Sheen Not Ordered To Take Drug Test Today

A Breaking Celebrity News source said worried pals have been trying to reach the 33-year-old Mueller all day but have not been able to connect with her. The spy added that Mueller is believed to have attempted to pawn one of Sheen’s expensive time pieces – even though she gets $55,000 a month from the former Two and a Half Men actor.