Beyonce's sister: 'She's the most beautiful girl in the world'

Beyonce Knowles' sister has described her newborn baby as the "the most beautiful girl in the world".

The Halo hitmaker gave birth to daughter Blue Ivy Carter - her first child with rapper husband Jay-Z - at the Lenox Hill Hospital in New York on Saturday and proud aunt Solange took to twitter yesterday to reveal her delight.

She tweeted: "The most beautiful girl in the world."

After initial confusion over the tot's name, with initial reports claiming it was Ivy Ivy Blue, Gwyneth Paltrow confirmed the correct moniker on the micro-blogging site.

The actress - who along with her husband Chris Martin is close friends with Jay-Z and Beyonce - wrote: "Welcome to the world Blue! We love you already. (sic)"

Following an inquiry from a confused user who wrote : "Is it ivy blue, or blue ivy? so confused", Gwyneth replied "It's Blue Ivy Carter!"

Jay - real name Shawn Carter - was by his wife's side as she delivered the tot via Caesarean section, after checking in under the pseudonym Ingrid Jackson and they are thought to have paid $1.3 million to rent out the entire fourth floor of the hospital.

Security was tight at Lenox Hill Hospital with staff reportedly being asked to turn in their phones and security cameras were covered with tape.

- BANG! Showbiz

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