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 25 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 25 Camila Cabello and Shawn Mendes at MTV VMAs What to wear for Camila: A see-through white dress with crimped hair. What to wear for Shawn: A white tank, black pants, and matching suspenders. Previous Next Start Slideshow Halloween Costumes 2019Celebrity CouplesHalloween Costumes