Adam Lambert: "Glee" Rumor not True. "Oprah" rumor DEFINITELY TRUE

Adam Lambert won't be making a cameo in hit musical comedy drama Glee.

Although the American Idol singer was tipped for a special appearance, he has confirmed he won't be appearing on our screens anytime soon.

Writing on Twitter, Lambert said: "Glee guest star rumor: it's a rumor. Sorry guys."

Adam did however, reveal other shows he'd love to feature in. He wrote: "If I had to pick a show to guest star on I'd loooooooove to be on True Blood. Or Weeds.

"Those shows are amazing. Prob need some major acting classes though first. The casts of both those shows are first rate."

Lambert continued: "I'd love to be on Gossip Girl too! Leighton is amazing. I should be Blair's shopping buddy!"

Though "The Oprah Winfrey Show" does not comment on upcoming bookings, Lambert spilled the beans on his Twitter on Thursday, in which he said, "Oprah: def true."

Jonas Brothers host, Miley Cyrus sings on the Teen Choice Awards! Watch tonight

Miley Cyrus is doing her newest single, "Party in the U.S.A.," at TC 09. That's right, the pop Mega Star is all set to sing for you!

Adam Lambert and Kris Allen are up for the Choice TV: Male Reality/Variety Star award, and Adam is up for the Choice Red Carpet Fashion Icon: Male award.

And, of course, you won't want to miss Dare the Jonas Brothers! That's going to be hilarious!

And, it's official. The casts of "Twilight" (Robert Pattison, Kristen Stewart, Taylor Lautner, Ashley Greene, Nikki Reed and Kellan Lutz) and FOX's new comedy series GLEE (Lea Michele, Cory Monteith, Jenna Ushkowitz, Chris Colver, Amber Riley and Kevin McHale) will appear on the show too!

Also... David Beckham, Zac Efron, Megan Fox, Cameron Diaz, Jennifer Morrison, Keke Palmer, Alexis Bledel, Chace Crawford, Leighton Meester, Ellen DeGeneres and Ashley Tisdale all be there- so you'd better be there too!

Your votes pick the winners of the Teen Choice 2009 so be sure to tune in Monday, Aug. 10 (8:00-10:00 PM ET/PT) on FOX and see how your favorites did.

Adam Lambert Talks New Moon and Glee Rumors, Bowie Medley and New CD

Rumor of the week: Adam Lambert will appear on Fox's new musical show Glee. "That's the first I'm hearing of it," he tells us. "I love rumors. They're really good these days, and they're getting better."

Next rumor to address is that that he's going to contribute a song to the next movie in the Twilight franchise, New Moon. "That's just another rumor. That would be really cool. I should [do it]." Hmmm. Hello New Moon music supervisor, are you reading this?

Read the full EOnline.com Exclusive