The music mogul is close to a number of his former flames, but the 49-year-old singer has admitted she hates the group being referred to as his ''harem'', deeming it ''degrading''.
She told The Sun newspaper: ''We never were a harem. We're not all sleeping with him.
''It's as bad as calling us his b****s. It's rude, degrading and beyond insulting to suggest that. We're all grown-ups.
''If people don't stop calling us his harem I will go nuts. The girls are all there with partners or as friends.''
Sinitta also claimed the group's time on his yacht usually consist of movie nights and board games, but the 'X Factor' boss - whose girlfriend Lauren Silverman is expecting his first son - often cheats to get his way.
She added: ''There's a lot of eating and board games ... On movie nights we watch things like 'Wall Street', 'Anchorman', 'Ferris Bueller's Day Off'.
''We usually have to draw out of a hat what to watch, otherwise we argue until the sun comes up.
''Simon also loves horror movies. One night he sneaked his movie choice into the hat 15 times or more, but we rumbled him.''
She recently opened up about aborting the 53-year-old star's baby when they were younger, denying reports it happened behind his back in 2009 and describing it as a ''very difficult'' time.
She previously said: ''Simon was very concerned and by my side. It was upsetting and it was something very difficult that we dealt with together.
''It's such a heartbreaking thing to go through. It was devastating for both of us.''
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