Everyone needs to let their hair down and blow off some steam every once in a while, even royal family members.

On what would have been Freddie Mercury 's 79th birthday on September 5, RadarOnline.com can reveal the wild night he shared partying in London with Princess Diana – and how their group ended up getting arrested after visiting a gay club. Article continues below advertisement

Mercury Urged Diana to 'Have Some Fun'

The evening started with Diana and pals Mercury , comedian Cleo Rocos, and DJ Kenny Everette getting together to watch episodes of one of their favorite shows, The Golden Girls .

According to Rocos' book The Power of Positive Drinking , the harmless plans turned raunchy when the Queen frontman seized the opportunity to paint the town red after the poi

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