There will be plenty of celebrities in Chicago this weekend due to
The pop mega star with nearly 28 million
Gaga attended Pitchfork music festival in Union Park last month. She headlined Lollapalooza in 2010.
Chappelle's shows: You know it's a crazy weekend in Chicago when Dave Chappelle is performing here and you had no idea. The former "Chappelle Show" star, who was spotted at The Shrine Friday before heading to The Underground, will perform two shows at the House of Blues Sunday.
Hungry like the wolf: Joe Manganiello had lunch at Hub 51 Friday before taking in the Die Antwoord show at Lollapalooza. The "True Blood" and "Magic Mike" actor had dinner at RPM Italian later that night and then hung out at Hub 51's lower level club, Sub 51.
Sightings: Alison Brie (“Community”) and rumored boyfriend Dave Franco (“21 Jump Street”) dined at Hub 51 Friday. … Aaron Paul (“Breaking Bad”) dined at Nellcote Thursday. … Rose McGowan (“Scream”), Josh Henderson (“Dallas”), Michael Pena (“Crash”) and singer Ryan Cabrera all were on hand for Wyclef Jean’s performance Friday at the Underground. … I saw Paul, Henderson, Pena, Cabrera and Jenny McCarthy (“Singled Out”) walking around the CK One Music Lounge in the Hard Rock hotel Friday (Paul picked up a cell phone from the Motorolla gift suite). “American Idol” alum