Kiernan Shipka, Victoria Justice, Hailee Steinfeld, and dozens of other fresh faces step out for the 11th Annual Teen Vogue Young Hollywood party; Jessica Alba, Rosario Dawson, Edward James Olmos, Eva Longoria, and more attend the ALMA Awards; Danny McBride and Marilyn Manson celebrate the season premiere of "Eastbound and Down"; Emily Deschanel, Christina Hendricks, and Judd Apatow show support for Stuart House at an annual brunch benefit—get all of this and more from the weekend's top events in today's edition of Last Night's Parties.