Even though she reportedly just finished a stint in rehab before embarking on a new tour, it seems that [lastfm link_type="artist_info"]Amy Winehouse [/lastfm] is still a hot mess. She had a show in Serbia last Saturday that couldn’t have gone worse.

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First, she showed up late, which most fans are willing to forgive once an artist gets on stage and blows them away with a performance.

Oh, that so wasn’t the case here…

Amy was late, forgot many lyrics (to the point that even her back-up singers couldn’t help her piece the show together), and actually dropped the microphone…And not on purpose.

She has canceled all upcoming scheduled performances as a result of the “show” on Saturday. “Rehab” was a fun song when we all didn’t believe you should BE there….GO, GO, GO!

Here’s a portion of Winehouse’s “performance.” It’s hard to even watch…