Popsugar Celebrity Halloween Costumes 2019 Celebrity Couple Halloween Costume Ideas 2019 25 Celebrity Couples You and Your Significant Other Can Be This Halloween 19 September 2019 by Kelsie Gibson View On One Page Photo 24 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 24 Lili Reinhart and Cole Sprouse at the Met Gala What to wear for Cole: A maroon suit with flower appliques and tons of hair gel. What to wear for Lili: A blue romper with a long train. For your hair and makeup, think a modern-day Marie Antoinette. Previous Next Start Slideshow Halloween Costumes 2019Celebrity CouplesHalloween Costumes