Watch US Weekly's Famous Feuds

Rappers Drake and Chris Brown both fell for pop superstar Rihanna and a war of words exploded into all-out violence; Charlie Sheen, the highest paid TV star of all time, went off the rails and battled producer Chuck Lorre.

When Elton John unexpectedly lashed out at Madonna, he sparked a war of words that destroyed their friendship; Paris Hilton and Nicole Richie got their own TV show but a racy sex scandal threatened to derail the show before it even aired.

Rapper Kanye West crashed Taylor Swift's big moment in front of millions of viewers and ignited a long and bitter feud; Justin Bieber collided head-on with Orlando Bloom, trading blows over the same woman.

When Mariah Carey publicly denies a relationship with rapper Eminem, hearts are broken and egos punctured, sparking an intensely bitter feud; Katy Perry goes behind best friend Taylor Swift's back.