Top: Cotton Shirt in Light Blue / Dotted by H&M (Thanks Ann-Mari via RiverdaleFashion!)
Betty Cooper (played by Lili Reinhart) on Riverdale on The CW was spotted wearing this blue polka dot shirt on Riverdale on episode 'The Outsiders' (1x08) in Mar 2017. Betty's Top is the Cotton Shirt in Light Blue / Dotted by H&M .