by: Access Hollywood

NEW YORK, HOLLYWOOD, CHICAGO & BEYOND… — Thursday, November 6 in LA: Hayden Panettiere, Nicole Richie, Drew Barrymore, Heidi Klum, Donald Sutherland, Lucy Liu, Fergie, Ryan Seacrest, among many more, watched Madonna perform with Britney and later Justin Timberlake at Dodger Stadium… Emilio Estevez, who just signed on for a guest appearance on "Two And A Half Men" sitting in the foyer Thursday mid-morning at Shutters Hotel in Santa Monica….

In San Francisco: Ashton Kutcher and MC Hammer celebrated MySpace Music’s recent content channel launch, with a party featuring a performance by R&B legend Lionel Richie, who sang his classic hits, including "All Night Long" and "Brick House — DJ AM also performed…

VIEW THE PHOTOS: Madonna, Britney & Justin’s Dodger Stadium Concert

In NYC: Howard stern and wife Beth Ostrosky, Maria Menounos and Marcia Gay Harden attended the North Shore Animal League benefit at Capitale…Gossip Girl’s Blake Lively posing on the red carpet at the opening party for the Juicy Couture 5th Avenue flagship store….

And in Chicago: President-Elect Barack Obama, wearing a Chicago White Sox hat, walks to his vehicle as he leaves a gym to return home in Chicago.