TMZ's sources claims that Kim was under the influence of something, although no one seems to know what.
The site reports that whatever Kim took or drank, she did so in private, but when she interacted with the wedding guests, she was "a mess."
Apparently Kim was saying horribly nasty things to her daughter, Brooke, right after the wedding and that Kim was cursing out the groom's family and was generally belligerent.
The site also reports that Richards' the sober coach couldn't control her and left Mexico immediately after the wedding and her daughter has vowed that she won't speak with her mom again.
The rehab facility gave her a pass to attend the wedding but gave her a deadline to return Monday, which she has not done.
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