Katy Perry is grateful for radio stations that play her anti-Russel anthem...

Thank U to all the AMAZING radio stations playing "Part Of Me" & the Katycats that keep requesting the ish out of it! #ioweuandiwilldeliver

— Katy Perry (@katyperry) February 22, 2012

What doesn't kill Ke$ha makes her stronger.

Kelly clarkson "stronger" on. That song makes me want to punch inanimate objects. In a GREATT way.

— ke$ha(@keshasuxx) February 22, 2012

Bruno Mars isn't above bathroom humor...

Drop it like its hot #MyToiletPlaylist

— Bruno Mars (@BrunoMars) February 19, 2012

Alright I'm done...what did we learn today class? Poopy jokes rule!!!!Excellent...now run along...

— Bruno Mars (@BrunoMars) February 19, 2012

Rihanna and Chris Brown made headlines this week when they tweeted remixes to eachothers' songs that they apear on.

@chrisbrown Turn up the music remix #RihannaNavy #Teambreezy enjoy!!! vimeo.com/mechanicaldumm…

— Rihanna (@rihanna) February 21, 2012

#RihannaNavy Come and put ya name on it!!!!! RT @chrisbrown: @rihanna goo.gl/ttRJR YIKES!!! Cake, cake, cake!

— Rihanna (@rihanna) February 21, 2012

Jason Segel works hard for the money...

Sometimes work is strange. twitter.com/jasonsegel/sta…

— Jason Segel (@jasonsegel) February 18, 2012

Conan O'Brien wants Meryl for a new role...

If Meryl Streep is really such a great actress, why won’t she play the lead in my new movie, “The Tupac Shakur Story”?

— Conan O'Brien (@ConanOBrien) February 22, 2012

Dane Cook plays with words.

Rihanna & Chris Brown are together on two new songs. I'm sure they'll be a smash hit.

— Dane Cook (@danecook) February 21, 2012

P!nk has a proposition for her hubby...

“@HuffingtonPost: The airline that wants you to join the mile high club huff.to/xPhpIG” whatya say @hartluck ? Shall we make it legal?

— P!nk (@Pink) February 17, 2012

Blake Shelton nurses an epic hangover...

I'm so hungover right now I just spent 15 minutes trying to DVR "Growing Pains" on my microwave...

— Blake Shelton (@blakeshelton) February 22, 2012

Lady Gaga sometimes forgets who she is, apparently.

Listening to HAIR, singing into hairbrush. I think I forgot I'm a pop singer for 5 whole minutes + then remembered I GET TO TOUR THIS SHIZ!

— Lady Gaga (@ladygaga) February 22, 2012

Adam Lambert appreciates his haters.

Haters: y'all just adding fuel to my fire! U make me work harder. Thank you for the motivation.

— Adam Lambert (@adamlambert) February 21, 2012

Lady Gaga isn't friends with her exes, apparently.

Happy Valentine's Day everyone. If you have someone special, give them a kiss. If you don't, make a voodoo doll of your ex and cast spells.

— Lady Gaga (@ladygaga) February 14, 2012

Conan O’Brien has a genius idea...

Give me a call, @JustinBieber! Together we can make a fortune selling “I Can’t Belieb It’s Not Butter” to kids with high cholesterol.

— Conan O'Brien (@ConanOBrien) February 12, 2012

Katy Perry is ready for an extraterrestrial invasion.

Just saw sky divers LIGHT up the HOLLYWOOD SKY. I've never seen this... I thought, finally the aliens...Nope, some new sky diving thang #RAD

— Katy Perry (@katyperry) February 14, 2012

Ke$ha isn't afraid of a little asymmetry.

Shaved one leg. can't be bothered with the other one.

— ke$ha(@keshasuxx) February 14, 2012

Taylor Swift had a good night at the Grammys...

My two new friends!!!!!! I had so much fun tonight! instagr.am/p/G7mbpBjvBd/

— taylorswift13 (@taylorswift13) February 13, 2012

Meet David Guetta's wife!

#grammy with my wife @cathyguetta twitter.com/davidguetta/st…

— David Guetta (@davidguetta) February 12, 2012

P!nk is very self-aware.

“@xboxboy777: @Pinkis a bitch” you are 89% correct. Monday, Wednesday's and Thursday's especially.

— P!nk (@Pink) February 12, 2012

Snooki is too.

seriously where's my fricken trophy! ;]“@platinum01988: @snooki u should of gotten a award for for being most drunk at a party. #notalent”

— NiC0LE P0LiZZi (@snooki) February 13, 2012

Dane Cook makes Valentine's Day fun...

If you're single on Valentine's Day, see a couple holding hands, run through the middle & yell, "I'VE BROKEN THE SPELL! BE FREE!"

— Dane Cook (@danecook) February 14, 2012

Shakira was attacked by a sea lion and documented the whole experience...

Omg what just happened to me! I was attacked by a sea lion! Lo que me ha sucedido hoy! Un león marino ha intentado atacarme Shak

— Shakira (@shakira) February 12, 2012

I wrote a special report on my facebook page so you can read all about what happened Shak facebook.com/shakira

— Shakira (@shakira) February 12, 2012

Bruno Mars has cravings...

I jus been craving fast food!! Im pretty sure I'm pregnant

— Bruno Mars (@BrunoMars) February 16, 2012

Adam Lambert has 140 characters for Delta...

Delta: quit over-booking your flights. Bumping people off a plane cuz you're trying to get out of debt is disgusting. #badbizness

— Adam Lambert (@adamlambert) February 17, 2012

Lady Gaga

19 Million Followers!!! HOLY HOOKER!!! *goes back to work*

— Lady Gaga (@ladygaga) February 9, 2012

Ke$ha

@crazykeshafans I love cats. I love fat cats. I love lions SOmuch.I love all animals...Except I don't really care for squid. They're gross.

— ke$ha(@keshasuxx) February 7, 2012

Cee Lo Green

" I like big butts and I cannot lie"

— Cee Lo Green (@CeeLoGreen) February 8, 2012

Chris Brown

Middle finger in full effect today!!! Lol

— Chris Brown(@chrisbrown) February 8, 2012

Blake Shelton

I may be just a country star, but I'm kicking @adamlevine's rockstar ass. #TheVoice

— Blake Shelton (@blakeshelton) February 6, 2012

Demi Lovato

Oh @kelly_clarkson. How your music cheers me up when I'm down!!!

— demetria lovato (@ddlovato) February 9, 2012

Kelly Clarkson

“@Pink: Kelly Clarkson KiLleD the national anthem. Show em' how it's done girl!!!!” -Um ....this just made my year....& it's only February:)

— Kelly Clarkson (@kelly_clarkson) February 6, 2012

Conan O’Brien

Now that football’s over, I have my Sundays back. Get ready, Santa Monica Men’s Quilting Workshop!

— Conan O'Brien (@ConanOBrien) February 7, 2012

Britney Spears

Madonna - amazing performance last night! LUV you

— Britney Spears (@britneyspears) February 7, 2012

Outasight

So yo. I'm about to have my first gold record.Wow.I love you guys.#sensitivetweet

— Outasight (@Outasight) February 8, 2012

Jimmy Kimmel

hmmm... RT @_chloejay You'd get comparable reactions from women for "HEY JIMMY I UNPLUGGED THE TV before the final rose on The Bachelor"

— Jimmy Kimmel (@jimmykimmel) February 7, 2012

Ima be, Ima be singing at the Grammys. It's been so long I started to forget I was a singer! I can't wait, speak soon xx

— Adele (@OfficialAdele) 00:00">January 31, 2012

Conan O'Brien has a special place in his heart for Ke$ha…

Just got some weird looks at the health club when I unrolled my Ke$ha yoga mat.

— Conan O'Brien (@ConanOBrien) 00:00">January 29, 2012

And the feeling is mutual!

yeah @ConanOBrien I get the same reaction from my tattoo of

ur face on my buttcheek... Did I mention that I love u?— ke$ha(@keshasuxx) 15:32+00:00">January 30, 2012 Lady Gaga is ready for some football.

Looking forward to seeing the Superbowl! The halftime show will be wonderful I'm sure. An excuse to drink beer+watch boys in tights. #yes

— Lady Gaga (@ladygaga) 00:00">January 31, 2012

Kim Kardashian shows off new hair, same old cleavage?

Photo shoot fresh! All about corals for spring swimwear #kardashiankollection twitter.com/KimKardashian/…

— Kim Kardashian (@KimKardashian) 19:14+00:00">January 30, 2012

Kelly Clarkson is just like us!

Dear zit on my face ....junior high called and said what is going on?! I'm almost 30 years old!!

— Kelly Clarkson (@kelly_clarkson) 00:00">February 1, 2012

Justin Bieber dropped some hints about his new video...

good time in the studio last night. back at it tonight. oh yeah...and big bro came thru... twitter.com/justinbieber/s…

— Justin Bieber (@justinbieber) 00:00">February 1, 2012

Like any good mom, P!nk cares more about her daughter than her own health.

I love her so much I decided to share every cold she gets so we can always party together at 2,3, and 4 am. True love.

— P!nk (@Pink) 00:00">January 31, 2012

Bruno Mars loves the booty!

Now dance to much booty in the pants

— Bruno Mars (@BrunoMars) 00:00">February 2, 2012

The Voice coaches Cee Lo and Xtina spend some quality time together?

Me and my babe christina A.K.A "the voice" yfrog.com/nzpmdqdj

— Cee Lo Green (@CeeLoGreen) 00:00">January 31, 2012

Britney Spears wants to make a cameo on Modern Family

Ahhhh I would love to be on it! RT @seanskoda: #GetBritneyOnModernFamily YES!!! She was amazing on #HIMYM and #willandgrace

— Britney Spears (@britneyspears) February 1, 2012

Nicki Minaj is stoked to perform with Madonna

Omfg. Madonna's show is about to murdaaaa everything movinggg. Wow. Such a surreal moment.

— Nicki Minaj (@NICKIMINAJ) February 3, 2012

Sarah Silverman isn't fooled by The Bachelor...

"The Bachelor" is brought to you by, helicopters!

— Sarah Silverman (@SarahKSilverman) 00:00">January 31, 2012

Ke$ha questions certain guys' manhood...

A man in a minicooper is not a man

— ke$ha(@keshasuxx) January 24, 2012

Demi Lovato kisses Twitter goodbye.

Twitter break. It's for the best actually. Who allows me to have this thing anyways?!!! I just get myself in trouble! Haha. Anyway... BYE!

— demetria lovato (@ddlovato) January 22, 2012

Jimmy Kimmel might be a genius.

I had no idea that "wi fi" is short for wizard fist.

— Jimmy Kimmel (@jimmykimmel) January 24, 2012

Avril Lavigne uses her time wisely and swagfully...

Oh yeah this is how u gottaroll when your flight gets delayed.Foot massages. Bitches. twitter.com/AvrilLavigne/s…

— Avril Lavigne (@AvrilLavigne) January 21, 2012

Siri interrupted RedFoo's party rocking #DJProblems.

I was beat rockin on the iPhone and the right before the drop... That ****** SIRI interrupted me... Hahaha gotta disable when u #Beatrock

— RedFoo (@RedFoo) January 20, 2012

Miley Cyrus doesn't think she would have made it onto 'Toddlers & Tiaras' back in the day...

How creepy is my new profile picture! As a baby I looked like a Chuckie doll!

— Miley Ray Cyrus (@MileyCyrus) January 24, 2012

@tishcyrus why when i was a baby you didn't you put me on a diet?!?! Look at my chubby arm! How does one even have a wrist roll!

— Miley Ray Cyrus (@MileyCyrus) January 24, 2012

Nicole Richie is not amused by her husband's gameday requests.

Joel asked me to make bean dip for Football. Yeah so while his friends scream, ignore me & eat all my food, they can fart in my face.

— Nicole Richie (@nicolerichie) January 22, 2012

Bruno Mars' baby-making playlist might surprise you...

#MySexPlaylist Eye Of The Tiger by Survivor, Macho Man by The Village people & My Heart Will Go On by Celine Dion

— Bruno Mars (@BrunoMars) January 23, 2012

Katy Perry wants everyone to calm down - she's been kissing boys (and liking it) throughout her whole tour, not just since the break-up!

Btw, I have *kissed* 1 boy, picked randomly out of the audience, on the cheek as a part of my show for all 125 tour dates. Simmer down now.

— Katy Perry (@katyperry) January 23, 2012

Adam Lambert gave the Glamnation a sneak peek at his upcoming album this week.

MY ALBUM COVER!!! say.ly/dQf1jhV

— Adam Lambert (@adamlambert) January 24, 2012

Rihanna got some new ink!

♫ All these ******es screaming that 2pac back ♫ #THUGLIFE lockerz.com/s/177609408

— Rihanna (@rihanna) January 25, 2012