Article continues below advertisementSimon Cowell's fiancée, Lauren Silverman, isn't convinced they'll tie the knot anytime soon.During an appearance on ExtraTV, Simon's ex Terri Seymour joked about the couple's prolonged engagement, as Cowell and Silverman started dating in 2012 and have been engaged since 2021.Article continues below advertisementSource: MEGASimon Cowell is engaged to Lauren Silverman.Seymour asked her if she'll be "buying a hat anytime soon." "You mean like for a wedding? Is that what that means?" Silverman replied.