Usher's Birthday And VH1 Divas: Salute The Troops Line-Up Announced In Today's Tweet Dreams

UsherOMG, it's Usher's birthday! The R&B superstar turned 32 today, and friends and fans made sure to send their wishes via Twitter. Justin Bieber posted to his pal, "HAPPY BDAY to my big bro @UsherRaymondIV !!! #HappyBdayUsher" and Sean "P. Diddy" Combs got sentimental as he wrote, "Happy birthday to my lil brother usher!!!!! Love you boy!" Mr. Raymond (pictured) was grateful for all the love as he tweeted back, "Thank you for all the bday wishes!! It's gonna a good day."

Usher wasn't the only one having a big day in the music biz, as VH1 announced who would be performing on their upcoming "Divas: Salute the Troops" special. Amongst the stars doing their part for the brave men and women overseas are Katy Perry, Keri Hilson, Nicki Minaj (who informed fans, "Very excited to announce that I will be performing @VH1 Divas: Salute the Troops on Dec 5!") and Hayley Williams. But the Paramore front woman wasn't going solo for the event, as she posted, "I'm also really grateful and proud to be the only rock band on the bill for VH1 Divas: Salute the Troops. Haha, the dudes are divas too!!"

Check out the rest of today's best celebrity tweets, including Jimmy Kimmel's message for Gabourey Sidibe! Follow us @hollywoodcrush to get even more celebrity and pop culture news around the clock!

@jimmykimmel Dear Gabourey Sidibe, it isn't right to kick people (me) in the nuts. http://bit.ly/c7BasG

-Jimmy Kimmel, TV Host ("Jimmy Kimmel Live!")

@mark_salling Hey south park, you are spectacular, your jersey episode was epic, let's hang out more

-Mark Salling, Actor ("Glee")

@elizadushku Day 2 BB! I wanna move into Leonard & Sheldons pad... & make them my roomates... & have Koothrappali & Penny sleep over.

-Eliza Dushku, Actress ("Dollhouse")

@julieplec FYI, episode 6 and 7 are a two-parter. Actually 6-7-8 are a three-parter. Come to think of it, the whole season is a 22-parter.

-Julie Plec, Executive Producer ("The Vampire Diaries")

@kanyewest I don't ever watch dramas on a plane... I don't be wanting to reflect

-Kanye West, Rapper

@heyitsnicolea I love coming home. My parents always have the largest selection of cereal. It's like college cafeteria status. No joke.

-Nicole Anderson, Actress ("JONAS L.A.")

@dougbenson This is a tough time of year for me to stay fit, because I love eating/drinking anything that is pumpkin-flavored. Except pumpkins.

-Doug Benson, Comedian, TV Personality ("Best Week Ever")

@jason_mraz my cat. I dunno how he does it. continuously baking and basking on the same side yet his tan always looks so even.

-Jason Mraz, Musician