Kristen Bell, Neil Patrick Harris, and Demi Lovato hit the premiere and after party of Disney's Frozen; Gerard Butler, LeAnn Rimes, and Eddie Cibrian attend a Cedars-Sinai Gala; Miranda Kerr and Nicholas Hoult check out the new Jaguar F-Type; Mick Jagger, Christina Hendricks, Stacy Keibler, Rashida Jones, and other fashionable stars help L'Wren Scott celebrate her capsule collection for Banana Republic at Chateau Marmont—brighten up your Hump Day with a look inside Last Night's Parties.