SEEN ON THE SCENE: Key castmates from “Shameless” — including Emmy Rossum, William H. Macy and Steve Howey — headed to Prime & Provision the other night for several hours of fun, relaxation and good eats, topped off with banana cream pie and s’mores for dessert. … Studio Paris was the setting for a belated surprise birthday party for Taraji P. Henson’s 45th — where she was feted by her “Empire” co-stars Bryshere Y. Gray, Trai Byers, Grace Gealey, Kaitlin Doubleday, Ta’Rhonda Jones, Gabourey Sidibe and Rafael de la Fuente. … Over at Chicago Cut Steakhouse, the Tigers’ Jose Iglesias was spotted, as was (separately) the Bears’ wide receiver Eddie Royal. … Recent RPM Steak sightings have include Miss United States Summer Priester, Kansas City Royals infielder Eric Hosmer, Korn lead singer Jonathan Davis, the Bulls’ Doug McDermott, the Bears’ Matt Forte and his team’s head coach, John Fox. … While in town working on music for “Empire,” Ne-Yo slipped into RPM Italian for a bite to eat, as did (separately) Sox pitcher Carlos Rodon, the Bears’ Jermon Bushrod and QB Jimmy Clausen. … Yes, that was Giuliana and Bill Rancic checking out the scene at Beatrix. … Meanwhile, Cubs bench coach Dave Martinez stopped by the bar at O’Brien’s Restaurant in Old Town, just as Cook County Commissioner Bridget Gaines was holding a fundraiser on the eatery’s patio. … Sounds like a lot of folks had a ton of fun on Saturday as the casts of “Chicago Fire” and Chicago PD” engaged in an epic WhirlyBall battle, as “Chicago Fire” star Joe Minoso hosted the inaugural “WhirlyCruz Cup.” Among the shows’ stars on hand were David Eigenberg, Jesse Spencer, Yuri Sardarov, Monica Raymund, Eammon Walker, Christian Stolte, Jesse Lee Soffer, LaRoyce Hawkins, Brian Geraghty and Sam Hunt.