Celebrity·Posted on Nov 1, 201821 Halloween Celebrity Couple Costumes That Will Make You Say, "Why Didn't I Think Of That?"From bae to boo!by Morgan MurrellBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Bella Hadid and The Weeknd as Beetlejuice and Lydia Deetz View this photo on Instagram 2. Dylan Sprouse and Barbara Palvin as Trunks and Gaara 3. Lance and Rebecca Gross as André 3000 and Erykah Badu View this photo on Instagram 4. Ciara and Russell Wilson as Nakia and Black Panther View this photo on Instagram 5. Coco and Ice-T as a ninja and purge member 6. Neil Patrick Harris and David Burtka as Westley and Inigo Montoya 7. Heidi Klum and Tom Kaulitz as Fiona and Shrek. 8. Jessica Simpson and Eric Johnson as Vincent and Julius View this photo on Instagram 9. Joe Jonas and Sophie Turner as Gomez and Morticia Addams View this photo on Instagram 10. Beyoncé and Jay Z as Florence "Flo Jo" Griffith Joyner and Tommie Smith View this photo on Instagram 11. Chrissy Teigen and John Legend as Queen Elizabeth II and Prince Philip Mountbatten. View this photo on Instagram 12. Skylar Astin and Anna Camp as Richard Simmons and a fitness customer. View this photo on Instagram 13. Miguel and Nazanin Mandi as Randy Watson and Prince. View this photo on Instagram 14. Jessica Biel and Justin Timberlake as LEGO Harley Quinn and LEGO Robin. View this photo on Instagram 15. Angie Martinez and her boo as Cardi B and Offset. View this photo on Instagram 16. Yvonne Orji and Emmanuel Acho as Monica Wright and Quincy McCall View this photo on Instagram 17. Ariel Winter and Levi Meaden as Pamela Anderson and Kid Rock. View this photo on Instagram 18. Ty Dolla $ign and Lauren Jauregui as Joker and Harley Quinn 19. Sarah Hyland and Wells Adams as a Taco Belle View this photo on Instagram 20. Jessica Alba and Cash Warren as a unicorn and a giraffe View this photo on Instagram 21. And Kelly Rowland and Tim Spoon as members of the Black Panther Party View this photo on Instagram