While not confirmed, it's possible that Billy (Dacre Montgomery) could be the new villain, as Will Byers suggests that the demonic figure might want to attach himself to someone Boys' style: Finn Wolfhard, 16, looked edgy in black and red, while Gaten Matarazzo stood out in a lime green jacket, and Caleb McLaughlin was very much on trend with the '90s in a color block jacket and striped pants The boys: Gaten, Caleb, Finn and Noah seemed to be in good spirits as they spent time together Chatty: Caleb and Millie burst into laughter as they chatted together at the event Dapper: Dacre Montgomery (L) and Joe Keery (R) looked sharp in their suits, and the pair were their usual suave selves Best pals: Gaten and Joe Keery proved their friendship continues to be going strong as they posed for photos together What a pair: David Harbour, who plays Jim Hopper, suited up in a blue plaid suit, as he joined Joyce Byers star Winona Ryder, 47, on the carpet, and she looked lovely in a classic, black dress The actor was brightly dressed up in a Fendi ensemble, while Gaten Matarazzo (Dustin Henderson) stood out in a lime green jacket and Caleb McLaughlin (Lucas Sinclair) was very much on trend with the '90s in a colour block jacket and striped pants

Fabric Description & Care: Wrap Waist Belt
Make-ahead friendly Tastes even better after a few hours in the fridge
Sachin & Babi Alanna Dress Size range: 014 11
For more on the broader category, our guide to classy cocktail dresses explores the timeless approach in more depth
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