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He's going to be a father, but he's never been tied down. We take a look at the music mogul's complicated dating history!
The model apparently dated Cowell in 1982, but even though this romantic dalliance didn't last, the pair's relationship did blossom into a lasting friendship.
Cowell's next romantic conquest was with 80s singer Sinitta Malone. However, the pair's professional relationship ended up being more successful than their personal one. Cowell signed Sinitta to his label in 1985, resulting is huge success for both of them. The pair have once again remained close friends, with Sinitta frequently appearing with Cowell on as an aide on the TV show The X Factor.
The glamour girl allegedly enjoyed a brief fling with Cowell in 2001.
Alicia claimed that she once had a six month affair with Cowell in an interview with The Sun.
Simon Cowell and TV presenter Terri Seymour were old friends before they began a relationship together. The pair split in 2008, amidst rumours of Simon's infidelity and that Seymour wanted children, unlike Cowell. However, the couple managed to stay friends and remain close post-breakup.
Revelations emerged that the Aussie beauty had a relationship with Cowell after British writer Tom Bower published an unauthorised biography of about the music mogul, titled Sweet Revenge: The Intimate Life Of Simon Cowell.
The British model was rumoured to have been dating Cowell during 2012. However, this complicated as Cowell was dating Terri Seymour at the time.
Another famous string to Cowell's dating bow is the gorgeous Carmen Electra. The couple allegedly dated from September 2012 unitl to February 2013. The pair split amicably and Carmen thinks Simon's persona as a judge on The X Factor proves that he will be a wonderful father: "he really cares about the kids on the show — he takes care of them. So I obviously think that his child will be very well taken care of and very, very loved,” she told HollywoodLife.com
The famous 80s choreographer allegedly dated Cowell from 2008-2010. The 51-year-old dancer was also an original judge on American Idol alongside Cowell, during which time the pair are rumoured to have grown close.
The American beauty is currently pregnant with Cowell's child after the music mogul had an affair with the married socialite. Picture: Splash
Cowell's ex-fiancée Mezhgan Hussainy is reported to be fuming over the recent revelations about her former lover and Lauren Silverman, as she fears Cowell may have cheated on her whilst the couple were still together.