Grimes ups the glam at a screening of The September Issue in Los Angeles. Plus: Oprah & Jen, Katy Perry, Heidi & Seal and more

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CHICAGO KICKOFF

New mom Jennifer Hudson helps Oprah Winfrey ring in her 24th season – which kicks off Sept. 10 – during a public taping on Chicago's Michigan Avenue Tuesday. Thousands of fans gathered to watch Hudson, the Black Eyed Peas and Rascal Flatts perform.