Prince insisted all his guests wore purple to his post-Oscars party on Sunday.

The 'Purple Rain' singer - who held the $400,000 bash at his $20 million Los Angeles mansion - told stars including George Clooney, Johnny Depp and James McAvoy they must don the color in order to enjoy purple-colored snacks and Purple Rain cocktails.

A source said: "Purple has always been Prince's favorite color. He decided the guests must wear something purple. All the drinks and food were purple and the house was given a purple makeover."

Prince's sensuous party was in sharp contrast to Madonna's post-awards bash. Her guests, who included Jack Nicholson and John Travolta, were given a wheat and diary-free macrobiotic dinner.

The health-conscious singer had flown catering staff from London to prepare the main meal of steamed sea bass.

After eating, Madonna took to the dance floor, and urged her guests to follow her example.

The mother-of-two partied the night away until 4am, but just three hours later she had to turn up for jury duty at the Beverly Hills courthouse. Although she didn't get picked for any of yesterday's cases, she was overheard saying she only "got three hours sleep last night."

A source added: "She was exhausted."

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