Jennifer Lopez and Casper Smart Dine at Hakkasan

Star Watch tracks where celebs are dining in Vegas. See someone notable about town? Email vegas@eater.com.

Singer Jennifer Lopez and her boyfriend Casper Smart were spotted together at Hakkasan at the MGM Grand on Friday night. The two arrived for dinner with their guests and cozied up at their table in the private dining room. [EaterWire]

Chefs Guy Fieri and Rick Moonen were among the crowd when Sammy Hagar and his supergroup The Circle performed at the Downtown Las Vegas Events Center on Saturday night. [EaterWire]

Comedy magician Penn Jillette dine at DB Brasserie at the Venetian on Saturday night before heading to the Diana Ross show with his wife and friends. [EaterWire]

Actress Hayley Kiyoko celebrated her birthday at Tao Asian Bistro at the Venetian on Saturday. [EaterWire]

Glee actor Kevin McHale and friends dined at Lavo at the Palazzo on Saturday. [EaterWire]

Actor and comedian David Spade dined at STK at the Cosmopolitan of Las Vegas on Friday night with his manager and fellow comedian Kevin Farley. The SNL alum, who is in Las Vegas for multiple shows with comedian Ray Ramano at the Mirage, was dressed casually in a trucker hat while he and his group ordered beef carpaccio, beet salad, mac and cheese and a large cut of steak. [EaterWire]

Philadelphia Eagles quarterback Mark Sanchez dined with a large party at STK on Friday as well. His group ordered steaks served family-style, along with a shellfish platter and beef carpaccio. [EaterWire]

Patrick Monahan, best known as the lead vocalist for the band Train, dined at La Cave Wine & Food Hideaway at Wynn Las Vegas on Thursday night. Monahan was joined by his wife and children. The group ordered cheese pizzas. [EaterWire]

Ryan Serhant, best known for his roles on Bravo’s Million Dollar Listing and in Noah Baumbach’s While We Were Young, dined at Gordon Ramsay Steak at Paris Las Vegas last week on Sunday.  Serhant and his group ordered smoked beef tartare, Kobe rib cap and lobster tail. [EaterWire]

YouTube sensation Megan Rienks ate brunch at Lavo last week on Sunday. The group ordered chicken and waffles and bottomless mimosas. Anthony Mackie was spotted dining at Lavo. The actor and his girlfriend dined on meatballs, Louie salad, linguini seafood and Oreo zeppole.  [EaterWire]