Chicago's Coolest Celeb Hangouts

Maria Menounos and Nicole Richie Credit: David Livingston/Getty; Christopher Polk/Getty

- Taylor Momsen hanging out in the DJ booth at eatery Nellcote

- Ke$ha drinking a Grey Goose cocktail in the private party room at Sunda restaurant

- Maria Menounos participating in the FRS Healthy Energy spin/run for LIVESTRONG

- Nicole Richie hanging out at Sunda with entrepreneur (and the restaurant's owner) Billy Dec

VIDEO: Tour the kitchen at Giuliana Rancic's RPM Italian

- Bethenny Frankel carrying Trader Joe's bags through the lobby of The James Chicago

- Hayden Panettiere hanging out with tattoo artist Johnny McDevitt at Express Rocks! at the Music Cafe at the Hard Rock Hotel

- Green Day band members playing with the new Samsung Galaxy S smartphone during dinner at Sunda