Planning for the weeks ahead? Head over to the MoMA for their Annual Party in the Garden, discover the most promising new companies at Time Inc.'s 10 NYC Start-ups to Watch Party, and hear Jennifer Hudson perform at the 92Y Annual Spring Gala. Here are 10 parties to put on your radar. More»

After last night's "Punk: Chaos to Couture" Costume Institute Gala, guest flocked to the Standard Hotel for the official Met Gala after party hosted by Lauren Santo Domingo and Riccardo Tisci. From Madonna's post-gala lingerie attire to Amanda Seyfried getting down with Frank Ocean, check out what you missed at the Top of the Standard last night. More»

Last night in NYC, Justin Timberlake, Lena Dunham, Joe Biden, and Frank Ocean were among the stars honored at TIME magazine's 100 Most Influential People in the World gala, art enthusiasts raised over 600K at the FREE ARTS NYC Annual Art Auction celebrating Richard Phillips, the BAM Silent Auction held their late night, after-party at Chez Andre, and so much more!

Winter lasted a little longer than we expected, but the weather is finally starting to warm up and there are plenty of things to do in April to take advantage of it. Whether you want to experience the delicate beauty of the cherry blossom, or partake in a giant pillow fight with friends and strangers, we've got you covered for the best events for the next 4 weeks! More»

[Amanda Seyfried, Jessica Chastain, Sky Ferreira, Frank Ocean, Carine Roitfeld, Ciara front row at Givenchy show for PFW via]

• "Bieber, put your fucking shirt on. (unless you lost all your shirts in a fire in which case my condolences and please purchase a new shirt.)"

  tweeted Olivia Wilde in response to those photos of Justin Bieber prancing around London topless. [E!] More»

[via, via, via]

The 55th Annual Grammy Awards aren't until Sunday but the music industry has decided to get a head start on the festivities. There are award ceremonies leading up to the awards (go figure), pre-parties, concerts, and gifting suites happening across L.A. from now all the way through to the after parties following the show. Grammy Week tends to be the most fun of the awards season lot because if anyone knows how to throwdown, it is the music industry. It would be a shame to miss out on what might be L.A.'s biggest open bar week of all, so we present to you our 2013 Grammy Week Party Guide with all the top events going down. Navigate your party path wisely and enjoy the musical takeover while it lasts.

From the Academy Awards to New York Fashion Week, we have a busy month ahead of us and it's time to start marking these dates down. We've got all the major events covered for you, so there's no excuse to fall behind on your social calendar this season.

[Diplo in GQ spread]

Although many musicians use stylists every time they step out of their houses, a few of them have style that's unmistakably their own, and very much worth emulating. From Frank Ocean to Diplo, take a look at our slideshow for four musicians to take some style cues from this year.

[Theophilus London, Anja Rubik, Karl Lagerfeld, Andre Saraiva] [Santigold, Rihanna] [Taylor Swift] [Beyonce]

Instagram is the latest craze when it comes to social media, and we're totally hooked. Not only can you share your own selfies, but you can stalk the lives of your favorite celebrities. That's why we put together this list of musicians we can't help but follow to get a glimpse of the glamorous lifestyle we've always dreamed about. Check it out, and let us know your favorite musicians to follow!

Keira Knightly and costars step out for the Hollywood premiere of Anna Karenina; Drew Barrymore, Ben Stiller, Dita Von Teese and more help Kimberly Snyder launch her new juice bar in West Hollywood; Jesse Tyler Ferguson, Aisha Tyler, Julie Bowen and others celebrate marriage equality; Johnny Depp, Sarah Silverman and Nick Valensi cover Tom Petty and the Heartbreakers hits for charity; GQ hosts their annual "Men of the Year" party at Chateau Marmont with guests Rihanna, Ben Affleck, Aaron Paul and many more; Stevie Nicks performs at The Women's Guild Cedars-Sinai 55th Anniversary Gala—get the rundown on who was out at Tuesday and Wednesday's top events in this double dose of Last Night's Parties.

[Charlotte Casiraghi, Karl lagerfeld, Laetitia Casta] [Caroline de Maigret, André Saraiva]

The Chanel brigade has already seen Tokyo, London, and NYC, and now it's making a stop at Paris' Grand Palais last Thursday. Kicking off the month of photography events in Paris, the Little Black Jacket exhibition will be on display for two weeks. To celebrate the launch, Karl invited guests including Theophilus London, Carine Roitfeld, and Andre Saraiva to the exclusive fete. Check out scenes from inside the opening reception and at the after party with Frank Ocean.