Riverdale's Madelaine Petsch Says Lili Reinhart Popped Her Blackheads When They Lived Together

Riverdale costars Madelaine Petsch and Lili Reinhart are very close. They're so close, that Reinhart used to pop Petsch's zits when the BFFs lived together. "When we lived together, I used to lay in her lap at night and she would go to town on my blackheads," Petsch, 24, told PEOPLE. "Lili was actually the person who got me on a good skincare game and taught me about the steps you're supposed to take," the Bioré brand ambassador added. "She helped me narrow down my routine, which is so funny be...