Cheryl Burke, Jack Osbourne, Karina Smirnoff, and other cast members gather at hotspot Hooray Henry's to celebrate the "Dancing With Stars" season premiere; Gwyneth Paltrow, Rebecca Romijn, Tim Robbins, and more hit the Hollywood premiere of Thanks For Sharing; Roma Downey and Matthew Weiner fete Emmy-nominated TV producers; Elton John plays a special show at USC—see who was out and about at Monday's top events in this installment of Last Night's Parties.

The Guest List

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Russell Simmons• Ally Hilfiger• Karina Smirnoff• Elton John• Gwyneth Paltrow• Pink• Rich Sommer• Peter Gallagher• USC• Cheryl Burke• montage beverly hills• Jane Seymour• Tim Robbins• Tony Shalhoub• Christopher Lloyd• Danny Zuker• Rebecca Romijn• Matthew Weiner• Jack Osbourne• Emile Sherman• Caroline Sherman• Rob Morrow• Stuart Blumberg• bryce dallas howard• Peta Murgatroyd• Josh Gad• Carey Hart• Leah Remini• ArcLight Hollywood• Patrick Fugit• Lisa Stelly• Gareth Neame• Katherine McNamara• Valentin Chmerkovskiy• Tony Dovolani• Roma Downey• Hana Nitsche• Elaine Ko• Semi Chellas• Andy Mientus• Darwin Shaw• Diogo Morgado• Jack Griffo• Scott Hornbacher• Hooray Henry's• Hooray Henry's Hosts "Dancing With The Stars" Viewing Party With Cheryl Burke• "Dancing With The Stars" Viewing Party With Cheryl Burke• Angelo Pagan• Thanks For Sharing Los Angeles Premiere• Thanks For Sharing Premiere• Liberty Cordova• Television Academy's Producers Peer Group Emmy Nominees Celebration• George Mastras• Doug DeLuca• Peter Gould• Erin Levy• Thomas Schnauz• Jeffrey Richman• Jeff Morton• Nigel Merchant• Steven Haberman• David Craig• Elton John Goes Back To School: A Vision And Voices Signature Event• Bovard Auditorium At USC