Talk about on-again-off-again: Sinead O'Connor and her fourth husband are officially back together. The singer married substance-abuse counselor Barry Herridge in Las Vegas in December, but split after O'Connor took him on a "wild ride" to find weed, but ended up with crack. On Tuesday she tweeted the happy reunion news, writing, "yay!!! me husband is a big hairy cave man an came to claim me with his club : ) and now im in cave-land.. yay!!"
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