Article continues below advertisementFormer flames can stay friendly, as seen in Ricky Martin's latest Instagram post featuring Heated Rivalry star Hudson Williams.Article continues below advertisementSource: MEGARicky Martin is a fan of the series 'Heated Rivalry.'Article continues below advertisementOn Sunday, January 18, Martin shared a series of photos from his Milan trip, where he and Williams, both attending the Giorgio Armani fashion show for Milan Men's Fashion Week, enjoyed each other's company. The 54-year-old Latin pop star captioned the carousel, "Pre-show dinner in Milan.