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Katy Perry took the stage last night at the special Grammys nomination concert in LA that also brought out Monica and Selena Gomez. It was an especially sweet evening for Katy, who found out she's in the running for four categories including Album of the Year and Pop Album of the Year with Teenage Dream. She later changed from her silver performance outfit into a gold Georges Chakra gown — what do you make of her look? Katy tweeted a surprised thanks to her team afterward, writing, "It's an amazing honor to be nominated and recognized by my other hard working peers tonight. So happy that I trusted my gut with this record." Katy was eclipsed, though, by pal Rihanna as well as Lady Gaga, who are both up for five awards. Eminem got the most love with eight nods for Best Solo Rap Performance, Best Song, and many more, and there was even love for the Eclipse soundtrack! Check out the full list of nominees over on Buzz.

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After a full day at the TCA panels, the stars of CBS, CW and Showtime stepped out for their star-studded bash. Ed Westwick was a treat to chat with as he represented the Gossip Girl cast. He was eager to talk about the fate of Chuck Bass and even share his thoughts on Robert Pattinson and Kristen Stewart. The cast of 90210 took a break from their busy Summers to attend as well. AnnaLynne McCord has had a great few months of traveling with her boyfriend Kellan Lutz, but it turns out that Eclipse wasn't her favorite blockbuster of the season — it's a tie between Inception and Iron Man 2 because of their two amazing lead actors! Her costar Matt Lanter has his own Twilight connection after appearing in the spoof Vampires Suck, and he revealed that he read the first of Stephenie Meyers's books "as research." Matt hasn't had the chance to meet Rob, but he would love to one day.

Jerry O'Connell, meanwhile, took a break from promoting The Defenders to gush about his life with the twins and wife, Rebecca Romijn. He says that being a dad of girls is the only way to go! David Duchovny and Ashley Tisdale also turned out for the celebration, and he's busy today with a panel for Californication, as she chats up her new show Hellcats — there's lots more to come, so stay tuned to Buzz on Twitter for updates from the panels!

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One day after music's biggest stars gathered in LA for the Grammys, many of them reconvened at the Jim Henson studios yesterday to record a new version of "We Are the World." The premiere of the single, which benefits Haiti, will take place during the Feb. 12 broadcast of the Vancouver Olympics opening ceremony on NBC. Kanye West was fresh from the French couture shows to join Jennifer Hudson and Wyclef Jean, while Joel Madden brought along little Harlow, who apparently flirted with the Jonas Brothers and Kanye. Benji Madden chatted with Rashida Jones, while Justin Bieber and Harry Connick Jr. mingled with Vince Vaughn.

Nicole Richie was there with Joel and Harlow, later joking, "I hope Jennifer Hudson wasn't upset that I was out singing her tonight." Lil Wayne had a little solo studio time, while Miley Cyrus and Pink bonded for a bit. Celine Dion, meanwhile, looked happy to share a moment with all three Jonas Brothers. Rashida's father, legendary producer Quincy Jones, was the man behind the original version of the song produced 25 years ago, and he was there again leading Hollywood's latest effort to help Haiti while also honoring Michael Jackson.

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Neil Patrick Harris was the star of the night at yesterday's Primetime Emmy Awards. He hosted the long show and managed to keep things interesting with his constant jokes and hours of preparation looking up the tiniest, most obscure roles on all the presenters' resumes to introduce them with. Check out all the winners here. Blake Lively and Leighton Meester looked gorgeous together as they took the stage to hand out an Emmy, though their show might not ever be up for any. Jessica Lange beat out her costar Drew Barrymore but the close friends looked overjoyed and the night's cutest acceptance speech might just go to a teary Kristin Chenoweth.

Justin Timberlake was all over the awards with his multiple nominations, though he didn't take any home he did win an Emmy last weekend. Heidi Klum and Seal shared a kiss in the audience, which is a lot less stressful than where she was last year up on stage as one of the hosts. Mad Men and 30 Rock took home the awards for best Drama and Comedy series respectively, but Jon Hamm and Tina Fey didn't win Actor or Actress. While the show was up against some tough competition with Sunday Night Football, NPH did a great job keeping the awards fun, funny and livelier than they've been in years.

For lots more photos from the show including Jimmy Fallon's fall, cute Chris O'Donnell and many others just read more

The stars of Showtime, the CW, and CBS came together at their TCA party in Pasadena last night. The Huntington Library was bursting with celebrities from all three networks who mixed and mingled at the gorgeous venue. Ashlee Simpson-Wentz looked perfectly petite in her sexy dress as she told us about how well-behaved Bronx is these days. Peter Facinelli and Jennie Garth both had shows to promote, though Peter was also happy to chat about feeling like Robert Pattinson at Twi-Con and heading back to work in Vancouver today!

Weeds hottie Hunter Parrish was happy to joke around about not having any sexy scenes this week though admitted that his comments about High School Musical were totally blown out of proportion: "You know what's funny? I talked about that three years ago when it was relevant and now that it's not relevant at all everyone's talking about it." AnnaLynne McCord is always a blast to chat with and she was so excited to dish on the new season and her desires for a Gossip Girl crossover. Check out all the quotes after the jump and more coming soon!

To see lots more from the party and read what Peter Facinelli had to say about Rob, Ashlee about Bronx, and AnnaLynne about Gossip Girl just read more