Deejay Tiësto celebrated his 51st birthday at The Mayfair Supper Club at the Bellagio on Friday night with his wife, model Annika Backes, and friends. The party of eight dined on caviar, oysters, branzino, Dover sole, and hamachi crudo before sharing baked Alaska and Black Forrest cake for dessert. Tiësto was also surprised by cast members with a birthday cake. Deejays Rev Run and Mel DeBarge also dined at The Mayfair before their performance at On The Record at the Park MGM on Friday. Shark Tank star Daymond John dined at Beauty & Essex inside the Cosmopolitan of Las Vegas on Saturday night after the UFC fight with a large group of friends. Members of MTV’s The Challenge cast, including Josh Martinez, Rogan O’Conner, and Joss Mooney dined at the restaurant on Sunday night. Pop artist Baby Jake dined at Lavo’s endless brunch at the Palazzo with a group of friends on Sunday. UFC fighter Conor McGregor celebrated his win over Donald “Cowboy” Cerrone with dinner with UFC president Dana White at Scotch 80 Prime at the Palms on Saturday night. McGregor order filet and lobster and his whisky, Proper 12. After dinner, the pair and their crews made their way to Unknown Bar, where McGregor bought everyone in the bar a round of Proper 12 shots. Actor Ezra Miller, who stars in the upcoming The Flash movie, dined at Scotch 80 Prime steakhouse at the Palms on Friday night with his father. The two ordered oysters and a shrimp cocktail, Caesar salad, and a wedge salad, followed by a Mishima Reserve New York sirloin and Double R Ranch dry-aged bone-in rib-eye steak paired with tastings of Japanese whiskeys. After Friday’s weigh-in for his UFC 246 bout Saturday versus Conor McGregor at T-Mobile Arena, Donald “Cowboy” Cerrone dined at NoMad Restaurant at the Park MGM in Las Vegas. Cerrone dined with his wife, son, and MMA fighter Yair Rodriguez, ordering filet mignon, oysters Rockefeller, french fries, and the Milk and Honey dessert. Rodriguez ordered prime rib and oysters. Cerrone lost the fight by TKO in 40 seconds.