David Duchovny and Ed Harris walk the red carpet at the premiere of Phantom; Lea Michele, Cory Monteith and Jane Lynch help honor Ryan Murphy at The Paley Center for Media; Mario Lopez, Alessandra Ambrosio attend the opening night of Cavalia's "Odysseo" horse and man theatrical arts show; Mark Wahlberg and Diddy Sean Combs unveil, AQUAhydrate, their new brand of water they claim is the cure to hangovers after a late night of drinking Ciroc (*as if!!!*); Anne V, Louise Roe, Selita Ebanks and others celebrate designer Rachel Roy with a dinner party at the Mondrian—we're completely serious about the Marky Mark-Diddy anti-hangover water so feast your eyes on that reality and everything else from Wednesday in this installment of Last Night's Parties.

The 54th Annual Grammy Awards takes over the Staples Center; Paris Hilton and Afrojack attend EMI's Grammy after party; Tony Bennett and Diana Krall perform at Clive Davis and The Recording Academy's Pre-Grammy Gala; Ne-Yo and Compound Entertainment throw a Pre-Grammy midnight brunch; Kelly Clarkson and John Legend attend Sony Music Group's Grammy Reception at Cecconi's; Bruno Mars performs at Warner Music Group's Grammy Celebration hosted at Chateau; Jay-Z's Roc Nation holds a pre-Grammy brunch at Soho House; MusiCares honors Paul McCartney as person of the year and raises $6.5 million for artists; Cash Money Records holds their 3rd annual pre-Grammy Awards party with Lil Wayne and Drake; Flo-Rida and Pia Toscano rock the house at OK! Magazine's pre-Grammy event—Los Angeles was alive with music this weekend and we've got your inside scoop on all the festivities and the celebrities who attended them in this edition of Last Night's Parties! More»

• Looks like cops cracked the case of the "4G" iPhone prototype that was found and sold to Gawker's Gizmodo for $5,000 [cnet]
• "Seinfeld's" Jason Alexander accidentally hits teenage biker with his car in Mid-City area [Huffington Post]
• Don't you want a map of the 50+ new faults discovered in CA over the last two decades hanging on your wall? [LATimes]
• Pause: How did no one know that Sandra Bullock adopted a baby IN JANUARY?? [Eonline]
• TMI alert: Larry King and wife Shawn Southwick were swingers. Horrifying... [NYPost]