Ben Affleck, Steven Tyler, Naomi Watts, Nina Dobrev and a massive list of celebs came out to support designer John Varvatos' 10th Annual Stuart House Benefit; Cara Santana, Jesse Metcalfe, Jordana Brewster, and co-stars of "Dallas" step out for a Q&A panel at the 30th Annual PaleyFest; Shenae Grimes, Sarah Hyland, Derek Hough, Lakers stars and other notables tested their luck for a good cause at the Lakers Casino Night Fundraiser benefiting the Lakers Youth Foundation; Julie Bowen, Ginnifer Goodwin, Adam Scott and a bunch of little kids read some books at the 4th Annual Milk And Bookies Story Time Celebration—see which stars were out and about supporting the causes of their choice over the weekend in this edition of Last Night's Parties.

John Varvatos Steve Nash Rachel Zoe Jeremy Piven Alice Cooper Ginnifer Goodwin Liev Schreiber Willie Garson Patrick Duffy Tori Spelling Dean McDermott David Schwimmer Molly Sims Cindy Crawford Ty Pennington Jordana Brewster Jason Behr Naomi Watts Jennifer Garner Chris Messina Shenae Grimes Tiffani Thiessen Jessica Lowndes Joyce Varvatos Brandon Boyd Ellen Pompeo Steven Tyler Derek Hough Ben Affleck Gilles Marini Rande Gerber JJ Abrams Perrey Reeves Julie Bowen Nina Dobrev Cheryl Burke Rodger Berman Don Cheadle Slash Garcelle Beauvais club nokia Eric McCormack Adam Scott Kobe Bryant Billy Zane Josh Henderson Adam Shankman Jesse Metcalfe Jesse Tyler Ferguson Melina Kanakaredes Stana Katic Louise Roe Sarah Hyland George Kotsiopoulos Linda Ramone Vincent Piazza Amber Riley Chord Overstreet Kevin Dillon Matt Sorum Jeremy Sisto Dean Geyer Michael Chiklis Glenn Hughes Jayma Mays Justin Chambers KaDee Strickland Grant Bowler Max Greenfield Constance Zimmer Yvette Nicole Brown Dwight Howard Dan Bucatinsky Jeff Probst Ben Feldman Brenda Strong Cara Santana Gail Abarbanel Chad Michael Murray Antawn Jamison Wendi McLendon-Covey Tamara Taylor Bridgid Coulter Linda Gray Eddie Van Halen Chris Ivery Bill Bellamy Saban Theatre Joe Perry Kevin Nealon Skirball Cultural Center Josh Beech Bethany Joy Lenz Michael Voltaggio Adam Campbell John Varvatos 10th Annual Stuart House Benefit John Varvatos Boutique Skyler Joe Mangianello