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.

When the theme is "Punk: Chaos to Couture," it's no surprise that celebrities took things over the top, from headpieces right down to perfectly manicured nails. This year brought out-of-the-box manis in all shapes and sizes. From studs meticulously placed on each finger to talons, we may end up remembering the nails more than the outfits.

Elizabeth Banks, Diane Keaton, Mindy Kaling and other leading ladies of Hollywood celebrate Women In Entertainment with The Hollywood Reporter at the Beverly Hills Hotel; Keke Palmer and Jason Derulo help honor Nick Cannon at the APCH Gala; Drew Barrymore, Bella Heathcote, Brad Goreski and a slew of other stylish stars celebrate Nicola Bulgari's induction to Rodeo Drive's Walk of Style at the BVLGARI Boutique—Beverly Hills was popping off yesterday and we have the full rundown for you in this edition of Last Night's Parties.

• We already know the GOP loves it some strippers, and according to the manager of Tampa, FL strip club Skin Tampa, business has doubled upon the arrival of the ongoing Republican National Convention and says he'd love Mitt Romney to stop by. Open invitation, buddy. [TMZ]
• Real life crime-stopping super hero Ryan Gosling will team up with Drive producers Michel Litvak and David Lancaster for his directorial and writing debut, How To Catch A Monster, a fantasy noir feature to star Christina Hendricks. [Deadline] More»

Ben Affleck, Lea Michele, Kristen Bell, Olivia Munn and more hit the blue carpet at the Do Something Awards; AnnaLynne McCord and Serinda Swan are among the many guests at Friends to Mankind's fundraising event; Brittany Snow, Jessica Stroup and others help raise funds for the Leukemia and Lymphoma Society—it was a very big weekend for celebrities giving back and we have the details on the top events around town in this installment of Last Night's Parties.

[Dax Shepard, Kristen Bell, Will Ferrell via]MORE>>

Ben Affleck, Lea Michele, Kristen Bell, Olivia Munn and more hit the blue carpet at the Do Something Awards; AnnaLynne McCord and Serinda Swan are among the many guests at Friends to Mankind's fundraising event; Dita Von Teese and Rose McGowan join Linda Ramone at the Hollywood Forever Cemetery for a Johnny Ramone Tribute; Brittany Snow, Jessica Stroup and others help raise funds for the Leukemia and Lymphoma Society—it was a very big weekend for celebrities giving back and we have the details on the top events around town in this installment of Last Night's Parties. More»

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Friday night was Cure By Design, a fashion show in the Atrium of the Ronald Reagan Building that benefited the American Cancer Society. Denigns by local designer Sondra Falk, Charlotte NC-based Luis Machicao, and NBC's Fashion Star Barbara Bates dressed the models, all of whom were cancer survivors. E! News' Giuliana Rancic delivered a taped a welcome video for guests, and WUSA9's Kristen Berset emceed the program after opening remarks from event founder and NYC-based fashion designer Alex Garfield. More»

What do Obama, a 10 year-old boy, and a pop group from Australia have in common? They're all on the internet singing Carly Rae Jepsen's smash hit "Call Me Maybe." The infectious song has become an internet sensation, and everyone has caught the bug. From Justin Bieber and Jimmy Fallon to the Miss USA contestants and Donald Trump, here are 10 of our favorite lip syncing, acoustic and silly covers of "Call Me Maybe." More»

• Is it possible former "That 70s Show" costars Mila Kunis and Ashton Kutcher are nothing more than platonic friends even though they just took a weekend beach getaway near Santa Barbara where they were spotted shopping for flowers? [TMZ]
• Parents, hide the Purell!: there is a dangerous new trend growing amongst teenagers in the L.A. area who are getting creative in how to get their crunk on by drinking hand sanitizer. Whatever happened to the good old days of Smirnoff Ice? [KTLA] More»

Kim Kardashian, Nicky Hilton and Molly Sims attend the Valentino Rodeo Dr. flagship store opening and 50th anniversary celebration; Michael Jordan kicks off the 11th annual Michael Jordan Celebrity Invitational Golf Tournament with a party at the Aria Casino; "Mamma Mia" opens at the Pantages Theatre with special guests Renee Olstead and Eric Balfour; Brooke Burns celebrates Daniella Clarke's new online shopping experience LuxeYard Style—it was all about fashion and fun at the midweek parties in Los Angeles and we've got all the details on the most fabulous parties and the celebrities who attended them on Tuesday and Wednesday in this installment of Last Night's Parties! More»

Joel McHale, Victoria Justice and Giuliana Rancic step out for the L.A. Premiere of Bully at the Chinese 6 Theatres; Maria Menounos, Katherine Jenkins and the cast of "Dancing With The Stars" enjoy an after party at Mixology 101; Ariana Grande performs at a special concert for the DVD release of Alvin and the Chipmunks - Chipwrecked; Joel Kinnaman joins Mireille Enos on the red carpet for the season 2 premiere of AMC's "The Killing"—Monday night in L.A. was filled with red carpet events and we have the rundown of details and who was there in this installment of Last Night's Parties! More»