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 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.  From Rihanna’s welcome to the newborn to Tyrese’s blessings to Nicki Minaj’s excitement, their peers couldn’t be happier for the new parents.

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 The most beautiful girl in the world.wonder if jayz and beyonce knows I’m the baby’s godmom???? #drunkthoughts

Solange Knowles:  The most beautiful girl in the world.

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