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Last night, Kanye West joined party host Fergie to celebrate the premiere of the highly anticipated 1 OAK Las Vegas at The Mirage on New Years Eve. After much speculation surrounding his twitter campaign to DJ on New Year's Eve, Kanye took the stage and thrilled party-goers with a 3 hour set. Dubbing himself YEEZYWORLDPEACE, Ye mixed tracks for Fergie, her hubby Josh Duhamel and some of the biggest names in Hollywood.

Despite being in the same city and amidst rumors that Kanye has been getting close with Kim K, the two did not spend NYE together and instead Kanye had a stunning brunette on his arm.

Seeing as almost everyone in Hollywood appears in the upcoming romcom New Year's Eve, the premiere at Grauman's Chinese Theatre last night packed almost as much star power as the Oscars!

Zac Efron, Josh Duhamel, Michelle Pfeiffer, Katherine Heigl, Sofia Vergara and Abigail Breslin came out to support their film, and a handful of other famous faces (including a very sparkly and possibly pregnant Fergie, Ryan Seacrest and Mark Salling) hit the red carpet as well. Fergs (and her bandmate) recently hinted that she was eager to start a family, so is it possible that she's got a bun in the oven?

And the Black Eyed Peas singer wasn't the only one to catch our attention on the red carpet! Ashton Kutcher posed for photos with Glee's Lea Michele, and we're not trying to start a hookup rumor here, but it seems like these two are quite cozy together. Wonder what Demi would say about this?!

Check out more pics in the huge gallery below, and let us know what you think!

The Black Eyed Peas attended The Black Eyed Peas Experience launch party at SupperClub in Hollywood last night, and as always, Fergie blew us away with her rock star style. From the studded Louboutins to the furry skirt, she nailed her red carpet look, and she even took the time to chat with photogs on the way out. Loves her!

Fergie will appear on The Ellen DeGeneres Show tomorrow, and she chatted about starting a family with husband Josh Duhamel. Fergie told Ellen, "Taboo did an interview the other day that was lovely because now I’m on baby bump watch. I’m sure you guys know what that is. It’s really fun. It’s when the paparazzi go right into your stomach. It’s really a lot of fun but yeah, that’s one of the things that we want to do. I’ve just been touring since 2003 and like anything things get monotonous and your doing the same thing every night."

So what did Taboo tell the press to get the pregnancy rumors started? When chatting with Florida's New Times earlier this month, Taboo said, "The Black Eyed Peas taking a little break is something that we respect and we all agreed upon. We have to respect Ferg. Ferg is our sister. She definitely wants to have a family, and we're happy for her. And we're going to keep being a strong family being there and supporting her." Aha!

Taboo and apl.d.ap were there as well, but will.i.am was noticeably absent. What's that about?!

Ocean Drive

The Black Eyed Peas may be taking an indefinite hiatus, but lead singer Fergie swears this has nothing to do with her future baby plans!

The bandmates will call it quits on November 23 after their farewell concert at Florida's Sun Life Stadium, but the 36-year-old singer isn't ready to start a family with hubby Josh Duhamel just yet!

The "Lady Lumps" singer opens up in a new interview with Ocean Drive magazine, confessing:

"We worked really hard. There were days when we weren't sleeping and were doing numbers of shows per day, and it was just go big or go home. We were just all hungry for it and doing it together."

But now sexy songstress is looking forward to some quiet time at home:

"I won't miss sleeping in a different hotel rooms all the time. I want to be home because I moved into my house but I haven't really been able to decorate it fully... just going to museums, going to art galleries, picking out art, things like that that I haven't been able to do lately."

And Fergie's bandmates totally support her decision to take a break.

Taboo recently expressed to the New York Times, "If somebody had a bad day, we had the others to hold each other up. We went through so many unique experiences together that it's really a beautiful thing. We have to respect Ferg. Ferg is our sister. She definitely wants to have a family, and we're happy for her."

We caught up with Fergie and hubby Josh Duhamel as the two left Bandera restaurant on Saturday night.

The hot couple almost took a tumble as they descended the stairs, but luckily they exited without incident. In fact, Josh was all sexy smiles for our photogs as the two headed to their car.

He's gotten lots of practice with posing, lately -- the actor recently finished a campaign for Arrow shirts with Leonardo DiCaprio's ex -- Bar Refaeli. And while Fergie might be taking a break from her busy life with the Black Eyed Peas, Josh is stepping up his work life; he has four movies coming out next year!

Fresh off her plane from New York, Fergie cruised through LAX wearing head to toe black. The 36-year-old Black Eyed Peas singer rarely disappoints when it comes to fashion.

Fergie had been in NYC for the Avon Foundation Awards Gala ... where she was happy to open up about her baby plans with hubby Josh Duhamel.

She told Us:

"I'm not pregnant! There's no specific plans for babies, but we do want to have them in the future."

Practice makes perfect, Fergie!

Fergie couldn't stop giggling when she left the 3D sports bar South with husband Josh Duhamel last night, but it wasn't because of a silly remark from a photographer! It turns out the couple were trying to get out of a very tight parking spot, and while Fergie wasn't exactly helping her hubby out, he didn't seem to mind!

Of course, if it was Fergie driving and attempting to parallel park, we wonder how amused she'd be if Josh was laughing at her...

Josh Duhamel got up close and personal with a tall blonde at the opening of 3D sports bar South in Santa Monica Thursday night ... and SOMEthing had him sweating!

Seriously, though -- the woman is a publicist and the Transformers star was clearly overwhelmed by the unusually hot LA night and all the lights ... the temperature on that red carpet must have been 90 degrees!