The IKWYDLS Cast Debates the Worst Halloween Candy and More | Besties On Besties | Seventeen

We asked the cast of Amazon Prime Video's "I Know What You Did Last Summer" (Madison Iseman, Brianne Tju, Ashley Moore) to play a game of Besties On Besties, and they are too adorable for words ❤️. Watch as they reveal who's the mom friend of the group, debate the worst Halloween candy, and so much more. Catch up on Besties On Besties here:    • The On My Block Cast Reveals the Most Shoc...   Executive Producer: Abbey Adkison Editor: Deanna Govea Graphics: Kelsey Fink Entertainment Manager: Emily Hausman #IKWYDLS #IKnowWhatYouDidLastSummer ♥ SEVENTEEN SHOWS ♥ Bestie Picks Bae:    • I Let My Best Friend Pick My Boyfriend | B...   Lyric Challenge:    • Video   Superlatives Challenge:    • Dylan Sprouse and Hannah Marks Reveal Who ...   Seventeen Firsts:    • My First Birth Control Implant | Seventeen...   Style Lab:    • 7 Mermaid Inspired Outfit Ideas | Style Lab   Bullet Journaling w/ Noelle:    • How to Start a Bullet Journal | Plan With Me   ♥ Subscribe to Seventeen! http://bit.ly/SUBToSEVENTEEN ♥ ♥ Follow Seventeen ♥   / seventeen     / seventeen     / seventeen     / seventeen