Cardi B and her stylist, Kollin Carter, slayed alllll year, from a vintage Thierry Mugler dress at the Grammys in February … Embed from Getty Images … to a Thom Browne extravaganza at the Met Gala in May … Embed from Getty Images … to the outrageous feathered coat by Saulo Villela for Adrienne Landau that she…