Celeb sightings range from Will Ferrell to Michelle Pfeiffer to a bunch of Bears

Loyal USC fan Will Ferrell in full school regalia!

SEEN ON THE SCENE: Will Ferrell — NOT in town to promote his upcoming “Anchorman 2,” but in the area to attend the USC-Notre Dame game in South Bend — dined at Del Frisco’s Double Eagle Steak House on Oak Street, chowing down on a bone-in strip steak, lobster mac ‘n cheese, Brussels sprouts, corn, asparagus — and topped it off with the eatery’s signature lemon doberge cake for dessert. … The gor-jus Michelle Pfeiffer, joined by her mega-producer hubby David E. Kelley were spotted dining at Farmhouse in Evanston, while Sean Gadd — the Grouplove bass player — checked out the Farmhouse on Chicago Ave. in the city. … Stuart Townsend took a break from filming the new ABC drama “Betrayal” to dine at Doc B’s Fresh Kitchen on Walton, just off Boul Mich. … “Breaking Bad” star Javier Grajeda was spotted at Rockit Bar & Grill, while Derek Jeter and (separately) the Detroit Pistons’ Charlie Villanueva ate at Sunda, and Lance Briggs and Anthony Rizzo partied on at the Underground. … Recent Hub 51 sightings have included pro golfer Luke Donald and USA Olympic swimmer Conor Dwyer. … While here filming her new LX.TV show, Audrina Patridge taped segments at Burke’s Bacon Bar and the Jimmy bar at the James Chicago hotel. … “Check Please” creator David Manilow was seen leading the cheers for wife Mary Kenney, the executive director of the Illinois Housing Development Authority — as she was honored by Holsten Human Capital Development for her quarter-century of working for affordable housing issues. … A slew of Bears and ex-Bears were at Gibsons’ Montgomery Club event space the other night to support teammate Charles Tillman’s Cornerstone Foundation — including Anthony Adams, Alex Brown, Rashied Davis, Major Wright, Patrick Mannelly and Tim Jennings. … Among those on hand for the fundraiser at Sunda for the Christian Fenger Academy High, co-hosted by Juanita Jordan and Billy Dec were Sox honcho Kenny Williams, Billy Corgan, TV mainstays Dawn Hasbrouck and Stefan Holt, Dorothy Brown, Diane Primo, Linda Johnson Rice, Les Coney and Rufus Williams.