‘Riverdale’ First Look: Madelaine Petsch and Vanessa Morgan React to Choni’s Halloween Costumes! (Exclusive)

That's right, Choni fans – get ready to swoon. ET has your official full look at Cheryl as Poison Ivy and Toni as Harley Quinn!

[[ This is a content summary only. Visit my website for full links, other content, and more! ]]