Derek Hough, Miley Cyrus, Kendra Wilkinson and many more celebrate Maxim's Hot 100 of 2013 in Hollywood; Kelly Osbourne, Matthew Mosshart and Josh Flagg kick off amfAR's generationCURE to support HIV/AIDS research for a cure; Mark Mothersbaugh and a slew of other music industry giants help honor entertainment's most distinguished composers such as Mike Post, Cliff Martinez, and John Williams at the BMI Film & TV Awards; Mike Epps throws out the first pitch at Dodger Stadium—get the details on Hump Day's top happenings in this installment of Last Night's Parties.

Amfar Miley Cyrus Kellie Pickler Sebastian Bach Kelly Osbourne Shane West Derek Hough Kendra Wilkinson Beverly Wilshire DJ Vice Craig Robinson Sharni Vinson Dodger Stadium C.C. Sheffield Adrianna Costa Mark Mothersbaugh Chord Overstreet Nick Simmons Josh Flagg apl.de.ap James Maslow Janina Gavankar Caroline D'Amore Peta Murgatroyd Charles Fox Jessica Hall Ricky Minor Logan Henderson Sasha Jackson Angela Simmons Michael Johns Mark Isham Rocsi Diaz Rebecca Mader. Kyle Massey Ellen Hollman Dawn Olivieri Lamorne Morris Pia Toscano Jessica Clark Korrina Rico Katrina Law Natalie Pack Kevin Robert Frost Matt Kemp Keb Mo Del Bryant John Williams Doreen Ringer Ross Thomas Newman Brian Tyler iZLER Cliff Martinez Ray Yee Mike Post Blake Neely David Buckley Chris Lennertz Nathan Barr Danielle Fishel April Rose Jonathan Lipnicki Mechelle Epps Mike Epps Jamie Gray Hyder Matthew Mosshart Randy Couture Sharna Burgess Jessica Sutta Jill Wagner Aaron Abrams Javy Guerra Sean Lowe Mike Epps Throws Out The First Pitch At Dodger Stadium Kenley Jansen 2013 BMI Film & TV Awards 2013 BMI Film and TV Awards Aaron Zigman Andy Love Lalo Schifrin Patrick Williams Alejandro Sirvent Barton Delia Orjuela Randy Edelman Tree Adams Theodore Shapiro Sage Guyton Albert Fox Charlie Clouser Lyle Workman amfAR's generationCURE Los Angeles Kick-Off Party amfAR's generationCURE amfAR's generationCURE Los Angeles Party Tommy Bertelsen Quinn Tivey Heather-Sky McField John Cafarelli T. Ryan Greenawalt Eric Muscatell