By Zoe Delaney Lily Allen has dished on the start of her romance with husband David Harbour \- jokingly declaring that their entire relationship is “based on a lie”. The Smile singer, 39, and Stranger Things actor David began dating in 2019, thanks to meeting on celebrity dating app Raya. The famous pair tied the knot in style the following year, marrying in Las Vegas in September 2020 with Lily’s two children from her first marriage in attendance. But despite the happy couple seemingly moving very quickly and walking down the aisle within two years of first meeting, Lily has now revealed some…