Nothing says Merry Christmas like a new tune from Justin Bieber, right? The 17-year-old pop star is releasing an album of classic and new holiday songs, called Under the Mistletoe, on November 1. However, fans who can't wait until then will be happy to know that the Biebs premiered the video for his track "Mistletoe" on MTV on Tuesday night. The clip reteams Biebs with the director of his "One Less Lonely Girl Video," Roman White, and was shot in Franklin, Tennessee.

Check out the video, plus an interview Bieber did with MTV just after the premiere:

Michael Buckner/Getty ImagesCarlos Alvarez/Getty Images

Edward Cullen will live forever, and now Robert Pattinson's handprints can, too!

Pattinson, Kristen Stewart and Taylor Lautner will have their handprints and footprints cast in cement next month, "Access Hollywood" reports. The "Breaking Dawn" trio are among only 250 stars to have the honor of being immortalized outside Grauman's Chinese Theatre in Hollywood.

Hayden Panettiere talks to omg! - Alli Harvey/Getty Images North AmericaIt's been over a year and a half since actress Hayden Panettiere was last on our TV screens as a cheerleader with superpowers Claire on the weekly series "Heroes," but she's still been busy trying to save the world. Hayden, 22, continues to crusade on behalf of dolphins and whales, Washington, D.C. statehood, and -- oh yes -- acting! She's headed back to the silver screen on October 14 with a limited release of her emotional new film, "Fireflies in the Garden," with Julia Roberts and Ryan Reynolds. It shows a family struggling through grief after an accident, with plenty of flashbacks featuring Hayden.

The "Scream 4" star chatted with omg! about her new film, her motivation for activism, and her feelings about the Amanda Knox verdict after playing the controversial young American in a made-for-TV movie earlier this year.

What made you want to do the film "Fireflies in the Garden"?

It obviously has an amazing cast, and the privilege to work with actors like that is just something that I

Demi Lovato leaves Casa Vega in Los Angeles on Monday. - David Tonnessen/PacificCoastNews.comDemi Lovato is back on top! The former Disney darling has managed the rocky transition from TV teen to pop star. Now the 19-year-old is hitting the road on her own, with 10 concerts scheduled from Detroit to New Orleans to Chicago beginning November 16 and ending December 3.

While she's got plenty of work ahead of her, for now the "Skyscraper" singer is indulging in a little downtime in Los Angeles. Demi was even spotted leaving Mexican restaurant Casa Vega on Monday night sporting a funky new look, including a nose ring! Demi's come to realize, as she recently explained on her Seventeen blog, that in order to stay sane, she needs to strike a balance between her personal and professional lives.

Joe Jonas is trying hard to transition from a teen idol to grown-up solo artist. He's already hyped for the October 11 release of his debut solo album, Fast Life, and he's just finished a month-long tour without his Jonas Brothers bandmates Kevin and Nick. Instead, the former Disney star took the stage alongside his co-headliner for the string of concerts, hitmaker Jay Sean.

Singers Jay Sean and Joe Jonas wrap up their fall tour at Best Buy Theater in NYC. - Kevin Mazur/WireImage.com

But the 22-year-old was reminded Thursday that his status as a teen heartthrob is almost impossible to escape. Joe's brother Kevin, 23, surprised the crowd by jumping onstage with him and singing a medley of Jonas Brothers' hits during Joe's gig at Best Buy Theater in NYC. Needless to say, the crowd went crazy!

Kristen Stewart is bewitching on the November cover of Glamour . - Matthias Vriens-McGrathIt's hard not to notice that Kristen Stewart loathes interviews. She fidgets and looks down. She speaks softly. So when Glamour magazine selected the "Twlight" star as its November cover girl, the editors were wise to choose someone she knows well -- Stephenie Meyer, author of the Twilight books, and producer of the films -- to talk to Stewart for the accompanying article. The two ended up talking like old friends about the final "Twilight" film, "Breaking Dawn," KStew's love life, and much more.

omg! has teamed up with Seventeen magazine to find out which of this year's trends you love and which you'd rather leave behind as we wind down 2011. Did you go crazy for color blocking, like "Twilight's" Ashley Greene? Or were you a fan of wild nails, like rapper Nicki Minaj? Check out some of the looks on your favorite celebs, then let us know in the comments which style you'll be sporting all the way into next year.

omg! has teamed up with Seventeen magazine to find out which of this year's red carpet moments were your favorites. Did you covet Katy Perry's Geisha style, complete with an Atelier Versace dress, pink hair, and an umbrella? Or were you more of a fan of Blake Lively's red hot Marchesa? Check out 10 of the year's top looks and let us know in the comments the star you think rocked her dress best.