Jay-Z and Beyoncé

Beyoncé and Jay-Z sparked a frenzy when news of their baby girl’s birth made its way online late Saturday night. The couple’s daughter, Blue Ivy Carter, barely made it out of the womb before she was a trending topic on Twitter and lighting up blogs.

Fans and fellow celebrities reacted with joy and congratulatory messages across social networking sites. B’s sister Solange called her niece “the most beautiful girl in the world,” close friend Gwyneth Paltrow sent her love, Rihanna welcomed princess Carter, and Tyrese shared his blessings.

Read the outpouring of support below.

Solange: The most beautiful girl in the world.

Gwyneth Paltrow: Welcome to the world Blue! We love you already.

Rihanna: Welcome to the world princess Carter! Love Aunty Rih

Diddy: Congrats to jay and B! God Bless 🙂 ! And many more!

Tyrese Gibson: Congrats to you both .. You are loved..! Beyonce’ and Jay are new proud parents of a healthy baby girl .. Blessings!!

Russell Simmons: congrats to my good friends Beyonce and Jay-Z

The-Dream: 1 7 2012 Congrats!!!!!

Estelle: Congrats b And jay.

OneRepublic: Congrats Beyonce & Sean- it would seem musical royalty has just been born

Diane Warren: Congrats Bey and Jay!!!

?uestlove of The Roots: “Welcome to the world……”

Nicki Minaj: BARBZ!!!!!!!!!*screams mad loud*

Jazmine Sullivan: I wonder if jayz and beyonce knows I’m the baby’s godmom???? #drunkthoughts

Dawn Richard: May God protect the new beautiful family…congrats Bey and Jay!

La Toya Jackson: A Lovely #Congratulations To Beyonce & JayZ For Bringing A Lovely Bundle Of Joy Into The World!!! What A Talent She Will Be!!!

Chrisette Michele: Honestly? What I think? It’s like royalty just had a child. It’s like the future just met it’s mayor. It’s like the best just became greater. A queen and a king had a princess and hip hop and r&b heirs just passed a torch. I’m that in awe of the moment. Just my humble thoughts. Congratulations Jay and Bey. May God bless and keep you and your new born.

Ryan Seacrest: Congrats beyonce and jay-z on their little child of destiny, Blue Ivy! #watchthecrib

Wynter Gordon: more important than anything tho is Beyonce giving birth to the golden child.

Ne-Yo: Shout out to Blu Ivy Carter! Jay and B’s beautiful baby girl! WELCOME TO THE WORLD PRINCESS!!

LeToya Luckett: A BIG congrats to Bey & J!!!! God bless y’all

Amber Rose: Congrats to @Beyonce & Jay!!! Every time i see her she’s so sweet to me Thx B God bless #BlueIvyCarter 🙂

Michelle Williams: Let’s get ONE thing straight….I do NOT have to say congrats to someone when they’re NOT on twitter…ESPECIALLY when I talk or email them all the time….or when I’ll be physically present as well…so harrassing and stalking my timeline to see if I’ve mentioned something is POINTLESS!!! My friendship with people aren’t always for twitter display. Respect that and get a LIFE!!! Enjoy this FINE day!!! God bless!!!!