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 3 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Alex Rodriguez and Jennifer Lopez at the Grammys What to wear for Alex: A colourful suit and bow tie. What to wear for Jennifer: A fitted white gown, a huge hat, and long wig. Previous Next Start Slideshow Halloween Costumes 2019Celebrity CouplesHalloween Costumes