Last night in NYC, Jessica Stam joined June Ambrose at the American Ballet Theatre's Spring Gala, Santigold performed at Irving Plaza with surprise guests Pharrell and Andy Samberg, Rihanna and Neil Young kicked off the Robin Hood Foundation Benefit, Ricky Martin hosted an intimate fundraiser for President Obama, and more. Last night's parties were all about the performers! More»

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Heidi Klum and Alejandro Santo Domingo were honored as long standing supporters of DKMS, the largest bone marrow donor center, at the 6th Annual DKMS Gala that was held at Cipriani Wall Street last night. More»

Last night was a whirlwind of places you wish you would have been. Los Angeles collectively celebrated it being Tuesday with everything from picnics to premieres, with heavy hitters like L.A. Reid, Ice Cube, Mena Suvari and Kimora Lee Simmons joining in the festivities. You've had enough time to shake off your daylight savings confusion by now, so come see what went down in Tinseltown with today's edition of "Last Night's Parties!" More»

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»

Eva Pigford

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With all of the Grammy celebrations that took place this past weekend, it can be difficult to identify one party from the next. Grey Goose chose to distinguish itself by hosting an event at The Sayers Club to celebrate emerging recording artists of today, as well as the launch of their latest vodka Cherry Noir flavor at the Grey Goose Presents The Rising Icons Jam Session. More»

Last night Stella McCartney showed off her Fall 2012 line with Liv Tyler, Anna Wintour, and Naomi Watts, Darren Criss performed for Susan Sarandon and Alan Cumming at The Darby, Peanut Butter Lovesicle premiered their new music video at the Electric Room, Brad Pitt secured himself the Best Actor award at the New York Film Critics Awards, Harvey Weinstein and Diane von Furstenberg hosted a lunch at Monkey Bar and so much more. Last night's parties were all about the fashion and music. More»

Rob McElhenney shows off his new svelte figure, while proud soon-to-be parents Charlie Day and Mary Elizabeth Ellis show off her baby bump at the premiere party for "It's Always Sunny in Philadelphia" and "The League" in Hollywood; Zooey Deschanel, Lea Michele, Jaime Pressly, Cory Monteith, and many more of the stars of FOX turn out for the network's Eco-Casino Party—New York Fashion Week may be going OFF right now but L.A. still had plenty celebs in town this week for some star-studded throwdowns, so get all the details in this edition of Last Night's Parties. [Danny DeVito, Charlie Day, Mary Elizabeth Ellis, Kaitlin Olson, Rob McElhenney photo via] More»

Federer who? Anna Wintour has new man candy this fall. What do you do when you're under 20 and have already taken over the teen music world, perfume market and fulfilled your philanthropic duties? Take on NYFW of course! You have to admit, finding Wintour's arm to hang off of is a solid move for the lil dude. That, or he has a really good marketing team. See more photos from FNO at Dolce&Gabbana below... More»

Anna Wintour, society types, and an ultra-fashionable crowd head to Lincoln Center for ABT's Annual Spring Gala; DVF took in a preview of the High Line Section 2; Katie Couric and Whoopi Goldberg read at the Literacy Partners annual Gala; Waris Alhuwalia viewed florescent art; Topher Grace saw a movie; Paula Abdul managed to not get wasted and be embarrassing at a party and more! Last night's parties were on their best behavior. More»