Ginnifer Goodwin and Jennifer Morrison share teasers with fans at the 2012 PaleyFest's "Once Upon A Time" panel; Dustin Lance Black's "8" premieres on the West Coast with Brad Pitt and George Clooney as part of a celebrity cast reading; Sophia Bush and Maggie Grace honor The Cove's Richard O'Barry at a cocktail party in West Hollywood; Molly Sims and Milla Jovovich celebrate the launch of Gap Kids + DVF collection with Diane von Furstenberg at The Grove—there were plenty of noteworthy events over the 80-degree weekend in Los Angeles and we've got all the details on the best parties and happenings, as well as the celebrities who attended them in this installment of Last Night's Parties!

[George Clooney, Brad Pitt via]