'One Battle After Another' Premiere Image Credit: Photo Credit: Amy Sussman/Getty Images Leonardo DiCaprio made a rare red carpet appearance at the world premiere of One Battle After Another in Hollywood on Monday. 'The Long Walk' Special Screening Image Credit: Photo Credit: Jon Kopaloff/Getty Images for Lionsgate Mark Hamill, David Jonsson, Cooper Hoffman and Judy Greer attended a special L.A. screening of The Long Walk at the Egyptian Theatre Hollywood on Monday. 'Roofman' Special Screening Image Credit: Photo Credit: Dimitrios Kambouris/Getty Images After debuting Roofman at TIFF, Channing Tatum and Kirsten Dunst brought their Paramount film to New York on Monday. 'The Morning Show' Season Four Premiere Image Credit: Photo Credit: Eric Charbonneau/Apple TV+ via Getty Images Hannah Leder, William Jackson Harper, Nicole Beharie, Boyd Holbrook, Néstor Carbonell, Billy Crudup, Mark Duplass, Reese Witherspoon, Jennifer Aniston, Jeremy Irons, Karen Pittman, Marion Cotillard and Jon Hamm celebrated season four of The Morning Show in NYC on Tuesday. 'Spinal Tap II: The End Continues' Premiere Image Credit: Photo Credit: Kevin Winter/GA/The Hollywood Reporter via Getty Images Harry Shearer, Michael McKean, Christopher Guest and Rob Reiner reunited at the L.A. premiere of Spinal Tap II: The End Continues on Tuesday. Miu Miu Beauty's Miutine Club Image Credit: Photo Credit: Dimitrios Kambouris/Getty Images for Miu Miu Beauty Chloë Sevigny made an appearance at the Miutine Club hosted by Miutine by Miu Miu in NYC on Sept. 5. ABC's End of Summer Soirée Image Credit: Photo Credit: Monica Schipper/Getty Images Quinta Brunson and Sheryl Lee Ralph were among the ABC stars in attendance at the network's End of Summer Soirée on Sept. 5 in West Hollywood. W New York - Union Square Celebration Image Credit: Photo Credit: Jason Lowrie & Matt Borkowski/BFA.com W New York - Union Square unveiled its $100 million reimagination with a celebration on Sept. 5, alongside guests including Michelle Williams. ESPN Red Nail Bar Image Credit: Photo Credit: Kai Tsehay for ESPN Images ESPN hosted the ESPN Red Nail Bar in NYC on Saturday, a pop-up nail salon to honor the first-ever Monday Night Football female music curator, Saweetie. Grey Goose Suite at the U.S. Open Image Credit: Photo Credit: David Dow, Courtesy of Grey Goose Vodka Aziz Ansari (wearing a Keanu sweatshirt in a nod to their upcoming film Good Fortune) stopped by the Grey Goose suite at the U.S. Open. The Cîroc Cup Image Credit: Photo Credit: Cassidy Sparrow/Getty Images for CÎROC Chelley Bissainthe, Sarah Jane Nader, Ace Greene, and Brooks Nader took part in Cîroc's inaugural pickleball tournament The Cîroc Cup in Brooklyn on Saturday. Moët & Chandon at the U.S. Open Image Credit: Photo Credit: Courtesy of Moët & Chandon/ Michael Simon Dakota and Elle Fanning had a sisters day out at the U.S. Open, grabbing a glass at the Moët & Chandon Clubhouse Suite. Prada Paradigme Launch Party Image Credit: Photo Credit: Brendon Cook Prada Beauty introduced its newest masculine fragrance, Prada Paradigme, at an after-dark celebration in NYC on Saturday, attended by Prada Beauty global ambassador Tom Holland. 'Roommates Show' Block Party Image Credit: Photo Credit: LFDC STUDIOS for Medium Rare Ben Stiller joined New York Knicks teammates Jalen Brunson and Josh Hart on Saturday as they brought their podcast The Roommates Show to life with the second annual Roommates Show Block Party, presented by Tommy John. 'This Is Spinal Tap' Cinespia Screening Image Credit: Photo Credit: Cinespia / Kelly Lee Barrett Cinespia held a special screening of This Is Spinal Tap at Hollywood Forever Cemetery on Saturday with Elijah Wood and Rob Reiner. Sport Beach x Boardroom U.S. Open Party Image Credit: Photo Credit: Courtesy of Kees / Boardroom & SPORT BEACH Boardroom and Sport Beach took over the Crane Club in NYC for an exclusive U.S. Open celebration on Saturday, with guests including Yvonne Orji. Dobel Tequila Club U.S. Open Afterparty Image Credit: Photo Credit: Bryan Bedder/Getty Images for Dobel Winnie Harlow was among the attendees at the Dobel Tequila Club official U.S. Open afterparty at Jean's on Saturday. Cadillac Suite at the U.S. Open Image Credit: Photo Credit: Yvonne Tnt/BFA.com Lindsay Lohan and Tommy Hilfiger shared a moment inside the Cadillac Suite during the U.S. Open men's finals. "Sabrina 54" Afterparty Image Credit: Photo Credit: Matt Weinberger Following her three wins at the VMAs on Sunday night, Sabrina Carpenter celebrated with Amazon Music for a star-studded Studio 54-themed afterparty dubbed "Sabrina 54." Mariah Carey VMAs Afterparty Image Credit: Photo Credit: AMPWORLD Mariah Carey (pictured with Larry Jackson and Ebro) cohosted a VMAs afterparty with Busta Rhymes in celebration of their awards. New 42 Studios' 25th Anniversary Luncheon Image Credit: Photo Credit: Bruce Glikas/WireImage Jonathan Groff and Sarah Jessica Parker hosted New 42 Studios' 25th anniversary luncheo