1 1 1 Halsey performed at Playboy’s Midsummer Night’s Dream at the Marquee Nightclub at The Cosmopolitan of Las Vegas on July 28. 2 Elton John onstage at the launch of the Menstar Coalition to Promote HIV Testing & Treatment of Men in Amsterdam on July 24. 3 From left: Rob Gough, Fatboy SSE, Bhad Bhabie, TMG Fresh, Golden Fly and DJ Kiss attended Scott Storch and Bhad Bhabie’s Unveil the Golden Fly Experience hosted by Sincere Show in Los Angeles on July 26. 4 Drag Race star Peppermint at the Head Over Heels Broadway opening-night afterparty at Gustavino’s in New York 5 2 on July 26. Sting (left) and Shaggy played together at Schloss Salem in Germany 3 on July 23. 4 Tomorrowland BOOM, BELGIUM, JULY 27-29 OVER 400,000 ELECTRONIC AND DANCE MUSIC LOVERS attended Tomorrowland 2018 during the span of two weekends, each complete with glowing neon installations and epic stage productions that transformed the grounds of De Schorre park into an adult version of Disney World. Some of music’s most notable DJs and producers from around the world returned to play during the festival’s second go-around, including The Bloody Beetroots, Alison Wonderland, Don Diablo, Tiësto and Afrojack. What made the festival’s irst celebratory weekend signiicant were the many tributes to the late Avicii, from Axwell & Ingrosso delivering an a cappella version of “Wake Me Up!” to the audience unfurling a giant Avicii lag during Nicky Romero’s set. —BIANCA GRACIE 5 TOMORROWLAND (4): COURTESY OF TOMORROWLAND. 1: DAVID BECKER/GETTY IMAGES. 2: MICHAEL KOVAC/GETTY IMAGES. 3: MAURY PHILLIPS/FILMMAGIC/GETTY IMAGES. 4: NOAM GALAI/GETTY IMAGES. 5: THOMAS LOHNES/GETTY IMAGES..