Popsugar Fashion Celebrity Fashion Cute, Stylish Halloween Costumes Celebrities Wore in 2019 25 Stylish Celebrity Halloween Costumes We'll Be Thinking About All Week 28 October 2019 by Sarah Wasilak View On One Page Photo 21 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 21 Jessica Biel and Justin Timberlake's *NSYNC and Microphone Halloween Costumes Their costumes lit up the Casamigos Halloween party. Previous Next Start Slideshow Celebrity FashionHalloween Costumes 2019Halloween Costumes For MenHalloween Costumes For WomenCelebrity InstagramsCelebrity Halloween CostumesFashion InstagramsFallFall FashionModels