When a Hollywood marriage ends, allegations of philandering often accompany the news. Sometimes, the third party is a regular person (like a flight attendant or the family babysitter). But we're always caught by surprise when the reported other woman -- or man -- is an equally famous person.
Click through the slideshow and vote for the person that you think is the worst alleged marriage wrecker -- from the Scottish heartbreaker who supposedly came between newlyweds to the screen legend who broke up a pal's marriage.
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