Lea Michele, Minka Kelly, and Sophia Bush check out the mermaids at the Beverly Hilton's redesigned Aqua Star Pool at the Domaine Home Launch; Padma Lakshmi and Andy Cohen step out for Bravo Media's 2013 For Your Consideration Emmy event; Shannon Elizabeth guest stars on Lance Bass' SiriusXMU show; James Franco steps out for an exclusive opening reception preview of James Turrell's exhibit at LACMA—get the rundown on L.A.'s top Hump Day happening in today's edition of Last Night's Parties.

Ethan Hawke and Julie Delpy step out for the premiere of Before Midnight; Vin Diesel, Michelle Rodriguez, and Wiz Khalifa hit the Fast and Furious 6 premiere and after party at Universal City; Sugar Ray Leonard and Usher get ready for ringside action at the "Big Fighters, Big Cause" annual charity fight night; Amy Poehler, Giuliana Rancic, and Lucy Hale attend the 38th Annual Gracie Awards—check out Tuesday's hot ticket events in this installment of Last Night's Parties.

Kate Beckinsale, Hayden Panettiere, Chelsea Handler and others party in a VIP room at The Rolling Stones STAPLES Center show; Zach Galifianakis, Bradley Cooper, Heather Graham and costars hit the L.A. premiere of The Hangover Part III in Westwood; James Gandolfini and Cristine Prosperi celebrate the premiere of Nickelodeon's Nicky Deuce; stars of "Arrested Development" meet fans outside the famous Bluth frozen banana stand—get the rundown on Monday's top events in this edition of Last Night's Parties.

A mix of celebrities and famous professional athletes celebrate the Sports Spectacular 28th Anniversary Gala; Vince Vaughn, Andy Samberg, Sarah Silverman and other comedians bring laughs to "The Big Live Comedy Event" for YouTube Comedy Week; Ginnifer Goodwin, Malin Akerman, Christa B. Allen and other network stars light up the Disney Upfronts; Hailee Steinfeld and Diablo Cody among others attend The Magic Bracelet premiere; Ozzy Osbourne, Natasha Bedingfield and Kathy Girffin entertain the crowd at an event for the L.A. Gay & Lesbian Center; Chord Overstreet and Rumer Willis game it up at the Donkey Kong Island Pool Party—get caught up on L.A.'s busy weekend in this installment of Last Night's Parties.

David Arquette and Carmen Electra kick it with Perez Hilton at his CD release party at Bootsy Bellows; Caroline D'Amore, Diana Madison, and L.A. media mavens step out for the Rev New Media open house; Courtney Stodden, Shekhar Rahate, and Buzz Aldrin hit up Dr. Ava Cadell's Sizzling Sexy Summer Event; Jennifer Morrison, Vanessa Hudgens, and Audrina Patridge get their hair styled at the Nine Zero One Salon; Julia Louis-Dreyfus, Amy Smart, Ed Begley Jr., and other environmentalist notables support Heal the Bay's Bring Back the Beach Annual Gala; Kerry Washington, Katie Lowes and "Scandal" co-stars walk the red carpet for the season finale celebration—get your final L.A. event rundown of the week in this edition of Last Night's Parties.

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.

Zoe Saldana, Kate Beckinsale, Chris Pine and more beam into the Star Trek: Into Darkness premiere; Adriana Lima and fellow Victoria's Secret Angels celebrate "What Is Sexy" at Shutters on the Beach; Kendrick Lamar and Chris Tucker hang out at the BET Awards 2013 Press Conference; Adam Levine, Gavin Degraw, Chord Overstreet and a slew of other talented stars attend the BMI Awards and after party; Andy Dick and Kelly Monaco step out for the "Dancing With the Stars" 300th episode red carpet event; Chloe Moretz, Ashley Benson, Adam Lambert and Taylor Hanson celebrate the NYLON May Young Hollywood issue—it was a busy Tuesday here in LaLa Land and we have the full rundown for you in today's edition of Last Night's Parties.

Scott Caan, Sugar Ray Leonard and Joe Pesci hit the green at 10th Annual James Caan Golf Classic to benefit the Impact Treatment Center; Diane Kruger, Rachel Zoe, Emma Roberts, Zoe Saldana and many more of Hollywood's most stylish attend a dinner hosted by MAC Cosmetics and Vogue celebrating Prabal Gurung at Chateau Marmont; Annette Bening, Jackson Browne, Rita Wilson and others honor Billy Crystal the annual Backstage at the Geffen Gala; Ellen DeGeneres and Samuel L. Jackson join Steve Harvey at his Hollywood Walk of Fame star presentation ceremony—from golf courses to exclusive dinner parties, get the rundown on Monday's top events in this installment of Last Night's Parties.

Diane Keaton and John C. Reilly fete photographer Matthew Rolston's new book; Vera Farmiga and her "Bates Motel" costars spend an evening with The Paley Center; Halle Berry, Andy Garcia, and Julie Bowen help lead the way at the EIF Revlon Run/Walk for Women; Demi Lovato, Adam Levine, Britney Spears and dozens of other pop stars hit KIIS FM's Wango Tango; Tyler Perry, Angela Bassett and Lisa Vanderpump waltz through the CARRY Foundation's annual "Shall We Dance" Gala; John Legend joins Stevie Wonder for his 63rd birthday celebration—get caught up on the weekend's top happenings in this edition of Last Night's Parties.

Olivia Munn and Kristin Bauer attend the 6th Annual Television Academy Honors; Willow and Jada Pinkett Smith join the Coalition to Abolish Slavery; Jason Alexander and Bob Saget hang at the Lupus LA Orange Ball; Michelle Trachtenberg and Serinda Swan hit up LACMA for UNICEF's Next Generation LA Launch; Singers from Emeli Sandé to Tom Jones head to the NARM Music Biz Awards Dinner; Carl Reiner and Mel Brooks celebrate the opening of "American Masters Mel Brooks: Make a Noise"; Playmate of the Year Raquel Pomplun is celebrated by at the Playboy Mansion and later at an exclusive soiree at Chateau Marmont—get your final L.A. party report of the week in this installment of Last Night's Parties.

Kate Bosworth, Lake Bell and Katie Aselton hit the screening and after party for Black Rock; Kerry Washington, Craig Robinson and David Alan Grier walk the red carpet at the premiere of Peeples; George Lucas helps honor Jeffrey Katzenberg with an award; Kyra Sedgwick and Gabourey Sidibe chat at the Woodcraft Rangers 90th Anniversary Gala; Julie Bowen brings her son Oliver to the LCDQ La Cienega Design Quarter Legends Gala—get caught up on L.A.'s top Hump Day happenings in this edition of Last Night's Parties!