Hiatus season may still be on for all of us, but the cast of Riverdale is back in Vancouver! We can probably expect the new season of Riverdale to hit our TV's sometime this fall, which is still so far away, but we do have the cast and crew behind the scenes content to look forward to all summer. When does Riverdale season 4 premiere? The cast just started filming!\nTo announce their excitement about the first week of filming, the cast took to their social media accounts to document it for fans!\nKJ Apa who plays Archie on Riverdale posted a photo on his Instagram story of him in the hair and makeup trailer with two of his artists and captioned it, "Back with my best mates."\nkjapa | Instagram Stories\nCasey Cott, who plays Kevin Keller also posted on his Instagram story. Yesterday, he posted a photo of himself smiling and captioned it, "season 4 starts tomorrow."\ncaseycott | Instagram Stories\nCamila Mendes, who plays Veronica Lodge, tweeted what her first day back on set was like saying all she had to do was "lie in bed and pretend to be asleep."\nfirst day of filming season 4 and all i gotta do is lie in bed and pretend to be asleep 👌🏽— Camila Mendes (@CamilaMendes) July 8, 2019\nLili Reinhart, who plays Betty Cooper, also joined in on the first day back to set fun! She posted a photo on her Instagram story of Betty's iconic bedroom!\nlilireinhart | Instagram Stories\nMadelaine Petsch showed part of her transformation process for becoming Cheryl Blossom. She captioned the photo of her getting her nails done, "Getting season 4 ready" and tagged her onscreen girlfriend Vanessa Morgan.\nmadelame | Instagram Stories\nWe can't wait for more behind the scenes content of Riverdale season 4! Season 4 of the show will premiere sometime in October.