Ke$ha is a bad girl gone worse. Last night's makeup and glitter still liberally applied to her face, she's putting off the morning after by charging right into the next night.

Ke$ha (real name Kesha Sebert) is a California girl. With a musical family, she was probably bound to wind up on stage and in front of the camera but, credit to her, her rise has been hard-earned.

Before going to work on her debut album (due out next year), Ke$ha could be heard singing background vocals for Britney, Miley and The Veronicas and turning up in her pal Katy Perry's "I Kissed A Girl" video.

Now she's on her own, and by the looks of the video for her debut single, "Tik Tok," she plays as hard as it works. It's a down-and-dirty electro jam with Auto-Tune flirtations. Check out Ke$sha's "Tik Tok" video below, and watch Ke$ha's live MTV UK video performance.

Katy Perry rode a shoe, wore a dress that may or may not have been attacked by giant mice (or moths), and a bustier that looked see-through. And it's not even midnight. Check out all of 2009 MTV Europe Music Awards host Katy Perry's outrageously awesome outfits from the show, from her gorgeous floral red carpet gown by Marchesa, to her West Ham onesie, her nearly naked flesh-toned bustier, her cabaret costume and more examples of Katy Perry in tulle go so wrong it's so right.

+ Check out more photos of Katy Perry hosting the 2009 MTV Europe Music Awards after the jump!

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Missed the 2009 MTV Europe Music Awards in Berlin? Check out red carpet photos of host Katy Perry, Tokio Hotel, Beyonce, Jonas Brothers, and more! And check out even more 2009 EMA red carpet photos here!

+ Get more red carpet photos of the 2009 MTV Europe Music Awards after the jump!

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The 2009 MTV Europe Music Awards are just around the corner. If you haven't booked your ticket to Berlin, well, you're probably screwed. But fortunately Buzzworthy's gonna give you a first-hand look at all of the international stars, performers and performances, and fan-picked awards on Thursday, November 5.

Here's what you need to know about the 2009 MTV Europe Music Awards in Berlin.

+ Katy Perry's hosting! Fun and fashion are expected... if not DEMANDED!

+ Rock royalty Foo Fighters and Green Day, hip-hop kingpin Jay-Z, the lycanthropic Shakira, and the gorgeous Leona Lewis will all perform too.

+ ... And Hometown heroes TOKIO HOTEL will perform! LIVE. Digest that.

+ U2 will hold a special musical performance in front of Berlin's Brandenburg Gate.

+ Pete Wentz will be hosting the online show with exclusive backstage access.

+ And THE JONAS BROTHERS AND BACKSTREET BOYS are presenting! It's like boy bands' greatest hits go to Germany!

+ More presenters include the darling Miranda Cosgrove, and the empirically bananas-hot Bar Refaeli, Joss Stone, and more.

It's like the VMAs but with a more impressive passport.

Stay tuned to the MTV Buzzworthy Blog for more 2009 EMA info, AND to stream the entire show as it happens, live in Berlin.

Feeling ready? Almost? Not quite? Vote for your favorite EMA nominees, watch Katy Perry battle Hans the creepy German puppet, check out this greatest hits video of EMAs past, featuring Justin Timberlake, Snoop, Wyclef Jean, Robbie Williams, Kylie Minogue and more, to see what you're in for, and watch Tokio Hotel perform "Automatic" live on MTV.

Halloween is DAYS away! Time to GET ON YOUR COSTUME GRIND if you haven't yet. Too lazy to make your own Lady Gaga costume? Is Adam Lambert's For Your Entertainment album cover proving too difficult to reproduce on a small budget? Well I don't know if you've noticed, but vampires are huge! They're the new Internet! New Moon is almost here (even though you've seen almost every clip of the movie)! Everybody's losing their collective brains over The Vampire Diaries! So a vampire-inspired Halloween is the W2G.

Wildfox's "My boyfriend is a vampire" t-shirt ($64, Singer22.com) already comes with some blood marks, in case you're too squeamish to get the job done for real. It also says "I'm Savin' It For Edward Cullen," but in a more discreet way. Just press on some "Vampire Red" nails by Kiss ($3.99, kissusa.com, drugstores), and get to that candy binge. Or just watch this Backstreet Boys vampire video. Happy Halloween!

We hipped you to 3Oh!3's "Starstukk" video, featuring Katy Perry a little while back, so you should know the deal already: 3Oh!3 score a Katy Perry feature for this jam about a love that knows no name (because these dudes are not trying to know your name, they are trying to keep it real. Real casual, you know?).

"Starstrukk" is a whirlwind of imagery and emotion. Like a suburban version of LMFAO, 3Oh!3 get dumb by a magical wishing well, taking advantage of its power to draw women to those men with the foresight to pull said gals' pennies out of the water.

There's also some hysterical/stoopit sequences involving the boys eating sushi while mountain climbing and skeet shooting their own records. Also: Katy Perry singing in a fountain. All hail the genius of 3Oh!3.

Wait, you're thinking electro-poppers 3OH!3 already have a video for their infectious track, "Starstrukk," right? Yes, we showed you the clip in the summer, but that one didn't have a little lass named Katy Perry. Well this is the "Starstrukk" reeeeeeeemix, featuring Ms. Perry, that first hit on their MySpace and then was released as an ITunes single in September.

So yes, now they've done a full, brand-new video for the new video/song that we'll be debuting right here on MTV.com on Monday, October 26.

We've got two goodies for you. A 30-second teaser clip of the video itself and a cool behind-the-scenes piece with director Steve Jocz at Laurel Canyon studios where the duo and Perry shot some of the green-screen fantasy sequences in the video. You'll see. The track is also featured in the Kristen Bell and Josh Duhamel film, "When In Rome," and the video is apparently a riff on what goes down in that movie. It comes out in January so we don't know yet other than it's a romantic comedy. Katy, who is buds from their days on the 2008 Warped Tour says, "It's a pretty cool idea," so we'll trust her. It's a bit "sultry and sexier than I typically am," she says. Hey, we're sold. Check out the clips and come back Monday on MTV.com to see the entire video.

Priscilla Renea started making music in her Florida bedroom by throwing stuff at the wall and using whatever stuck. She's a product of (YouTube) channel surfing; flicking from old-school No Doubt-esque alt-pop to the dancey fun of Katy Perry.

She first made her name performing originals and covers in her home and broadcasting to the widest audience possible (the internets), in the hopes that someone would sit up and take notice. And boy did they. One major label record contract later (thanks to Capitol Records) and an eclectic, super fun debut album in the can (Jukebox), Renea is bringing her homegrown charm to the mainstream.

Check out her DIY take on Cassie's Me & U as well as her video for her first official single, "Dollhouse." And be sure to head on over to the Discover & Download page to get an MP3 of "Dollhouse" in your life.

Oh, Pink. Only happy when it rains. I gotta say, there are two different ways to deal with wedding day heartbreak. There's the Katy Perry way, as seen in "Hot 'N' Cold" (all choreographed dancing, and runaway-groom chasing) and there's the Pink way, as seen in this video for "I Don't Believe You," the sixth single from Funhouse.

In this impressionistic clip, directed by legendary music vid auteur Sophie Muller (Blur's "Song 2," No Doubt's "Don't Speak"), Pink is trapped inside of an old movie, set in an empty church where love once blossomed. Well, needless to say, love don't live here anymore; and there's lotsa running around, crying and staring into mirrors to prove it.

Lately Katy Perry's joined Rihanna at Fashion Week in Paris and made waves on the gossip trail by dating Russell Brand. But first and foremost, Katy Perry is a keep-em-guessing performer, and she's joining the honored ranks of performers like Mariah Carey, Nirvana, Paramore, Pearl Jam, and Jay-Z who've all had their own legendary MTV Unplugged performances.

And, with just one breakthrough debut album, One Of The Boys, under her belt (in this case, probably a belted bustier onesie), you'll get a brand-new look at Katy Perry when her MTV Unplugged performance airs on November 16. And on November 17, she'll release MTV Unplugged: Katy Perry, a CD/DVD set with a jazzy, cabaret-style take on "I Kissed a Girl," as well as her smash hits, "Waking Up In Vegas," "Thinking of You." The DVD will also feature an unreleased original song, "Brick by Brick," and a cover of the Fountains of Wayne's "Hackensack."

November 17 is more than a month away, and it's a pretty unfair amount of time to wait, so check out this  inside look at Katy Perry's MTV Unplugged performance, and get a sneak peek at her songs and what she calls her "Stevie Nicks-meets-fairy" concert look.