Happy Birthday, Kim Kardashian, you've now officially turned the big 3-0! While some might be down about their twenties being over, the reality star (pictured) was nothing but gracious as she tweeted, "I woke up to the sweetest bday messages! Seeing all of your tweets will make me smile all day! I love u guys!!!!" Friends and family of Kim hopped on their pages, as well, to wish her a happy b-day, including mom Kris Jenner who posted, "Happy Birthday @KimKardashian I love you Kimmy! I wish I could be there 2 celebrate in NYC YOU ARE 30! God blessed me with you 30 years ago!" Kim's posse had some wishes for her, too, like LaLa Vazquez, who wrote, "Happy Happy Happy Birthday to @KimKardashian! Today is ur day! Hope u have a wonderful day and lots of cake! Love u!!!" while Nicole Richie joked, "Happy 40th Birthday @KimKardashian!"
Other reality television phenoms were having a big day of their own, as the cast of "Jersey Shore" got ready for tonight's season two finale. DJ Pauly D geared up for the final installment of "t-shirt time" (until season three, of course) and told followers, "I Got A Big Blowouttttt !!!! Tonight Season Finale JS Ohhh Yeahhh !!!! On @MTV #TeamDJPaulyD" while his co-star Vinny Guadagnino tweeted his excitement, "On to da last one on on to da last one ...Ahhhhhh I'm flipping the f out."
Check out the rest of Thursday's best tweets from the stars and find out who just became a fan of Rooney Mara and which rock star thinks George Clooney should be the next President! Follow us @hollywoodcrush to get even more celebrity and pop culture news around the clock!
@benjaminmadden George Clooney should run4president 1 day. I trust GC. He's the man. Def gets my vote. Give Obama 4more yrs then enter President Clooney
-Benji Madden, Musician (Good Charlotte)
@colin_hanks the @teamcoco live cam is awesome...its a taco/bear dance off..the bear lost...
-Colin Hanks, Actor ("The Good Guys")
@mellyjhart So excited to see Girl with Dragon Tattoo after seeing Rooney Mara's amazing performance in Social Network last night!
-Melissa Joan Hart, Actress ("Melissa & Joey")
@keshasuxx Check ot my sweet ass on the cover of seventeen magazine !!!!
-Ke$ha, Singer
@julieplec New Vampire Diaries airs tonight. Wherein things get CRAZY. A shirtless Lockwood. A scary well. And at least one OMFGTVD moment
-Julie Plec, Executive Producer ("The Vampire Diaries")
@yelyahwilliams Man I love shopping at Whole Foods. Employees are usually my age and into music and rad... Plus I got a buttload of dried apricots.
-Hayley Williams, Singer (Paramore)
@kanyewest I have decided to become the best rapper of all time! I put it on my things to do in this lifetime list!
-Kanye West, Rapper

** Hollywood Crush Twitter