Pitbull at Rx Boiler Room, Ryan Guzman at N9NE Steakhouse

Singer Pitbull dined at Rx Boiler Room at Mandalay Place on Saturday night before his gig at Mandalay Bay. He ordered sushi. [EaterWire]

Actor Ryan Guzman ate at N9NE Steakhouse at the Palms on Saturday night. Guzman, who stars with Jennifer Lopez in the new thriller The Boy Next Door, ordered ribeye and lobster mashed potatoes. The actor later signed chef Barry S. Dakake's Celebrity Shakedown Door before getting a tour of the kitchen. [EaterWire]

Actor Scott Wolf and musicians J. Cole and Tinashe ate at Giada at The Cromwell over the weekend. Wolf and a group dined there on Saturday and shared antipasti, including marinated olives, chicken marsala meatballs and the Italian farro salad. On Sunday, hip hop artist J. Cole celebrated his birthday at Giada before performing that night at Drai’s Nightclub. Cole ordered the salumi picante, chicken marsala meatballs and the Waldorf panzanel salad. Tinashe also dined there on Sunday night. [EaterWire]

Britney Spears

Pop princess Britney Spears picked up juice blends at The Juice Standard last week. The juice bar has become a favorite for Spears, who bought a Bee Effective, a blend of apple, zucchini, spinach, Swiss chard, radish, celery, romaine, kale, parsley and coconut water. [EaterWire]

Former Baywatch star Pamela Anderson was spotted eating tomato basil pasta at Lavo at the Palazzo with a group of friends while at a nearby table Wilmer Valderrama and Demi Lovato and another couple dined on steaks and pasta on Saturday night. [EaterWire]

Fabolous. Photo: Tony Tran

Singer Fabolous dined at Tao Asian Bistro at the Venetian on Saturday night. Also spotted dining at Tao were Adrienne Bailon and Tamar Braxton. The pop stars said hello to Fabolous before making their way to the club to catch his performance. [EaterWire]

Actor Wilmer Valderrama celebrated his 35th birthday with girlfriend Demi Lovato at Tao Asian Bistro at the Venetian on Friday night. The couple dined with a pair of friends in a booth and ordered lobster wontons, sea bass, orange chicken and more. Lovato and friends sang "Happy Birthday" to the actor as he blew out the candle on his dessert. [EaterWire]

Football star Adrian Peterson dined at Carmine’s in the Forum Shops at Caesars on Friday night. The group of four was there to celebrate a birthday and ordered cold antipasta, Caesar salad, calamari, stuffed mushrooms and a side of meatballs. [EaterWire]

Spanish crooner Enrique Iglesias dined with seven male friends on Friday night at Andrea’s at Encore Las Vegas. The table shared shishito peppers, albacore sashmi, hamachi sudachi, crispy tuna, shrimp and burdock roll, Ohmi beef, New York strip steak, five spice lobster and vegetable fried rice, ending on a sweet note with an orange sphere, shaved ice and mochi. Tennis stars Andre Agassi and Steffi Graf were also spotted at Andrea’s on Friday night, dining with another couple. The table ordered shishito peppers, edamame, salmon sashimi, hamachi sudachi, crispy tuna, five spice lobster, Ohmi beef, seared salmon, cauliflower, vegetable fried rice and Brussels sprouts. [EaterWire]

Shouty chef Gordon Ramsay dined at Yardbird Southern Table & Bar at the Venetian on Thursday. [EaterWire]

Talk show host Leeza Gibbons dined at Giada at The Cromwell on Wednesday night to celebrate her husband’s birthday. Gibbons ordered bacon-wrapped dates and chicken marsala meatballs. [EaterWire]

Hip hop singer Amber Rose ate lunch last Monday with rumored boyfriend James Harden of the Houston Rockets at La Cave at Wynn Las Vegas. The two ordered house-made beef carpaccio and Moroccan chicken skewers. Former Dallas Cowboys quarterback and current NFL on Fox analyst Troy Aikman dined at La Cave for lunch last Sunday. He dined in the lounge with a friend and ordered mushroom grits, Moroccan chicken skewers and smoked salmon. [EaterWire]