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»

Sarah Hyland and Chris Colfer celebrate the premiere of Struck By Lightning; stars like Elisabeth Moss and Naomi Campbell show off and field questions about their new TV shows at the Winter 2013 TCA Panel; Bradley Cooper and others make a pilgrimage to the desert for the Palm Springs International Film Festival; Naomi Watts, Bryan Cranston and many more help kick off Golden Globes Week with a party at Cecconi's Restaurant; Timothy Olyphant and the stars of FX's "Justified" step out for the season 4 premiere—get the comprehensive update on who was where during the official first weekend of 2013 in this installment of Last Night's Parties!

John Legend, Katy Perry, Alicia Keys, Jack Nicholson and more entertain the Dolby Theatre for charity with Carole King; Jason Schwartzman, Brittany Snow, Lake Bell and others attend Roman Coppola's Four Stories premiere event; Jon Hamm, Patton Oswalt and other comedians perform at a holiday comedy show fundraiser; ZZ Top helps Dan Aykroyd and Jim Belushi celebrate the 20th anniversary of House Of Blues—your rundown on Tuesday's top events is here in this edition of Last Night's Parties.

Pop music's hottest  artists including Carly Rae Jepsen, Taylor Swift, Nicki Minaj and Justin Bieber hit the 2012 American Music Awards; Skrillex and Skylar Grey celebrate the AMAs with Interscope; The Wanted performs for Joanna Krupa, Kendra Wilkinson and others at Us Weekly's Music Party; Nikki Reed, Brad Goreski, Jenny McCarthy and many more hit Rolling Stone's AMA after party; Joel McHale, Seth Green and numerous other comedians help Variety honor Seth MacFarlane—get the details on who turned up where during this very busy weekend in L.A. in this edition of Last Night's Parties.

[Neil Patrick Harris, David Burtka] [Patton Oswalt] [Katherine Heigl]

Hurricane Sandy didn't put a damper on these Trick or Treaters. Check out some celebs who tricked out with their kids for Halloween this year.

Julianne Hough, Sacha Baron Cohen and Adam Sandler step out for a benefit gala in Beverly Hills; Bryan Greenberg and Nick Cannon get down with some gaming at the "Assassin's Creed III" launch event; Catherine Keener, Monique Lhuillier and Sharon Stone celebrate 40 years of W at Spago; Halle Berry and Tom Hanks hit the red carpet premiere of Cloud Atlas; Rachel Zoe, Marisa Tomei and Christa B. Allen do cocktails with the British Fashion Council—get the rundown on all of Wednesday's top events in this edition of Last Night's Parties.

Go HERE for more photos by Fernando Isai and tag yourself and your friends!

Were you one of those kids that loved to mix things together? I was. Why eat Cap'n Crunch straight up when you can mix in 10 other sugar bomb cereals to create a pre-diabetic nightmare blend? Why listen to an entire album of just one band when you can make a giant mixtape with all your favorites? Maybe that's what I like so much about Lucha VaVOOM, the Mexican wrestling/comedy/burlesque hybrid show that celebrated its 10th anniversary last week at the Mayan. With their signature blend of "sexo y violencia" on full display, with color commentary from world-class comedians, Lucha VaVOOM has spent the past decade giving my childhood self an entertainment mixture beyond compare. More»

Last night in NYC, Nicole Richie and Jessica Stam came out for the FiFi Awards, Louis C.K. and Kevin Systrom received special achievement awards at the 16th annual Webby Awards, Amy Poehler and Stephen Colbert took home Peabody awards, and more! Last night's parties were all about award season. More»

Go HERE for more pictures by Ken Arcara and tag yourself and your friends!

Last night, Patton Oswalt hosted the 16th Annual Webby Awards at the Hammerstein Ballroom. The awards honor excellence on the internet, and have become renowned for their unique 5-word acceptance speech policy. This year's program also included a special performance by Passion Pit, who performed their new single "Take A Walk." More»

Judy Greer, Ariel Winter and more come out to celebrate animated films at the 39th Annual Annie Awards; Miranda Cosgrove, Alexandra Breckenridge and Penelope Ann Miller rock the red carpet at the 16th Annual Art Directors Guild Awards; Amanda Seyfried and Peter Sarsgaard celebrate the wrapping of Lovelace with a DeLeon Tequila-sponsored wrap party at Hollywood hot spot The Writer's Room—get the scoop on this weekend's parties in Los Angeles and the celebrities who attended them in this installment of Last Night's Parties! More»

Miranda Kerr, Kate Winslet and Guy Pearce kick-off Australia Week; Kirsten Dunst, Brittany Snow, Elijah Wood and many others step out for The Art of Elysium; Sean Penn, Julia Roberts, Leonardo DiCaprio and more help raise funds for the Haiti relief effort; BAFTA hosts a tea party for awards season with Michelle Williams, Charlize Theron and a slew of other notables; Aziz Ansari, Paul Rudd and Seth Rogen throw their star power behind Hilarity for Charity to benefit the Alzheimer's Association—it was a fully-loaded weekend of star-studded events in L.A. that had (almost) nothing to do with the Golden Globes and we have the details in this edition of Last Night's Parties. More»