Simon Cowell’s former partner, Sinitta, has alleged that the former “American Idol” judge has secretly married his fiancé, Lauren Silverman.The 60-year-old, who dated Cowell from 1982-1984, has remained friends with the music mogul over the past 20 years.During a recent interview with Woman’s Magazine, Sinitta was asked if Cowell, 64, had set a wedding date with Silverman, per The Sun.She responded, “Oh, are they not married yet?”Sinitta continued, “I’m not saying anything, but I’m sure they are married. I call her Mrs.