Madelaine Grobbelaar Petsch is an American actress.She is known for portraying Cheryl Blossom on The CW television series Riverdale.
Petsch appeared in a national advertising campaign for Coca-Cola in 2014.
In February 2016, Petsch was cast as Cheryl Blossom in The CW's Riverdale, having been pinned for the role since late 2015 after meeting the casting director, who was at the time working on Legends of Tomorrow. The series began filming in September of that year and premiered on January 26, 2017. In March 2017, she joined the cast of Polaroid.
In April 2018, Petsch collaborated with sunglasses company Privé Revaux and released her own collection of sunglasses.