Last Night's Parties: Paris Hilton & David Arquette Party With LMFAO, Ashton Kutcher & Jaime King Celebrate Restoration Hardware

[Jaime King, Erika Christensen photo via Charley Gallay/WireImage] LMFAO performs without Redfoo, Paris Hilton loves herself in 3D and David Arquette is out yet again on a weeknight; Jaime King, Ashton Kutcher, Monique Lhuillier and Marisa Tomei step out for the opening of the new Restoration Hardware store on Beverly Blvd; Busta Rhymes, Ne-Yo and the hip-hop world warm up for the 2011 BET Awards in Hollywood—all of this and more was just another Thursday night in this town and the weekend hasn't even started yet. Get it all in our rundown of Last Night's Parties.

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RadioShack/HTC EVO 3D Launch

Where: Radioshack Pop-Up Lounge Who Was There: Aaron Carter, Allison Melnick, Amber Lancaster, Amber Rose, Bella Thorne, Corbin Bleu, Dante Basco, David Arquette, Erika Christensen, Ethan Suplee, Harold Perrineau, Jaime King, Jayde Nicole, Jennifer Gimenez, LMFAO, Melissa Rycroft, Michael Steger, Paris Hilton, Remy Thorne, Sarah Shahi, Sky Blu, Taryn Manning, Trace Cyrus, Zachary Levi. Other Details: RadioShack transformed a Beverly Boulevard space into an indoor/outdoor lounge last night for the launch of the HTC EVO 3D. Young stars came out for the event which featured a performance by LMFAO (sans Redfoo?) and a dance/hype crew Big Bad University. Newly single Paris Hilton was twerkin it in front of the stage during the show and was nice enough to pose for photos for all who asked. She even spent a great deal of time taking selfies with the new device and we're thinking she likes looking at herself even more in 3D. Shocking. David Arquette was there too. Also shocking.  We really admire his stamina in managing to make it out nearly every night of the week at his age. We're in our 20s and he is straight putting us to shame in that department. How do you do it, David? [Jaime King, Erika Christensen photo Charley Gallay/WireImage]

Restoration Hardware Gallery At Beverly Boulevard Opening With LACMA

Where: Restoration Hardware, Beverly Boulevard Who Was There: Alice Evans, Ashton Kutcher, Brooke Davenport, Cameron Silver, Cassidy, Donovan Leitch, George Kotsiopoulos, Ioan Gruffudd, Izabella Miko, Jacqueline Bisset, Jacqui Getty, Jaime King, Jason Binn, Jennifer Smith, Julia Verdin, Kelly Katz, Kimberly McDonald, Kyle Newman, Lady Victoria Hervey, Loree Rodkin, Margaret Russell, Marisa Tomei, Martin Katz, Michael Smith, Mo'Nique, Monique Lhuillier, Ryan Smith, Shiva Rose, Tara Summer. Other Details: Restoration Hardware partnered with LACMA to celebrate the opening of it's new West Hollywood store on Beverly Boulevard. The home furnishing retailer brought out a sophisticated crowd of local designers, actors, musicians and other creative types for the occasion.  Guests got to check out Restoration's new digs over hors d'oeuvres, cocktails and a performance by singer Elizaveta. With the store's new location dangerously close to our office, we have another place in this neighborhood to get into trouble. [Isabella Miko, Alice Evans, Jacqueline Bisset photo via]

Def Jam Records And Rolling Stone Pre BET Awards Kickoff

Where: Rolling Stone Restaurant & Lounge Who Was There: Busta Rhymes, Catherine Brewton, Claudia Jordan, Clifton Powell, Doll Phace, Dollicia Bryan, Echo Hattix, F. Gary Gray, James Cruz, Jessy Terrero, Jill Jones, Keith Robinson, Kevin Phillips, Khaled, Malik Barnhardt, Melyssa Ford, Ne-Yo, Ray J, Rico Love, Rosa Acosta, Saaphyri Windsor, Stephen Hill, Steve Lobel, Suelyn Medeiros, Teairra Mari, Tionne Williams, Walter Mosley, Yung Berg. Other Details: In honor of the upcoming 2011 BET Awards this Sunday, Def Jam Records and Rolling Stone teamed to throw a pre-show bash at the newly opened Rolling Stone Restaurant and Lounge. With music, cocktails and talent filling the room, the night gave the hip-hop stars, DJs, producers, video girls and record execs who came out a chance to warm up for Sunday's big show. No word on if the Rolling Stone joint at Hollywood and Highland still "smells like vagina" but we're thinking it's probably handled that issue since last year's AMA After Party. [Busta Rhymes, DJ Khaled photo via]