Emmy Rossum, Alden Ehrenreich, Alice Englert and more step out for the Hollywood premiere of Beautiful Creatures; the Producers and Engineers Wing host a jazz-filled Grammy Week celebration honoring Quincy Jones and Al Schmitt; Samantha Mumba, Greg Louganis and others attend the Whole Planet Foundation's Pre-Grammy Benefit concert—get the rundown on L.A.'s top Wednesday events in this installment of Last Night's Parties.