There are two things Hollywood will always have plenty of and that's palm trees and unstable celebrities. Here are five of the most unstable celebrities ever: 

1. Macaulay Culkin

Rumors have been going around that Macaulay Culkin's attempting to relive his childhood by hosting dress-up parties where guests come dressed as their favorite movie character or dinosaur. It looks like his parents left him home alone one too many times. 

(via The Telegraph)

2. Randy Quaid

If you drive past a black Prius filled with old fast food trash/smells like dog pee then you've probably spotted Randy Quaid. In a Vanity Fair article, Quaid claimed that he was being hunted down by "the Hollywood Star Whackers." The rest of us just call them Scientologists. 

(via thesmokinggun.com)

3. Mel Gibson 

Mel Gibson has taken the term "unstable celebrity" to whole a whole other level. After his drunken anti-semitic rant against the Jews a few years ago, it didn't seem like he could get any crazier. And then he made "The Beaver".

(via popwatch.ew.com)

4. Robert Blake

Robert Blake was charged and eventually acquitted of killing his wife, Bonny Lee Bakely, in 2001. He popped up again in July of this year dressed like a Bizarro Crocodile Dundee and went ballistic on Piers Morgan. That little rascal! 

(via hollywoodreporter.com)

5. Lindsay Lohan

Lindsay Lohan's had so many run-in's with the law that she's practically on a first name basis with the police. In 2009, Lohan called the NYPD to retrieve her cell phone from a deli shop after the owner wouldn't return it until checking the security tapes to make sure it was really hers. Who says Hollywood celebrities are out of touch? 

(via itsblogworthy.com) 

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