Victoria Beckham has "fallen in love all over again" following the birth of her daughter.

The fashion designer - who already has three sons, Brooklyn, 12, Romeo, eight, and six-year-old Cruz, with soccer star husband David - welcomed baby Harper Seven into the world in Sunday (10.07.11) and says she's completely smitten with the family's new arrival.

Writing on her twitter page, she said: "Baby Harper is the most beautiful baby girl I have ever seen, I have fallen in love all over again!!!"

She also said the family feel "blessed" with her safe arrival and the boys are doting on the little girl.

She wrote: "We all feel so blessed and the boys love their baby sister so much!!! X VB."

Following Harper's birth by Caesarean section at Los Angeles' Cedars Sinai hospital, David took to his Facebook account to announce the happy news.

He wrote: "I am so proud and excited to announce the birth of our daughter Harper Seven Beckham. She weighed a healthy 7lbs 10oz and arrived at 7.55 this morning, here in LA.

"Victoria is doing really well and her brothers are delighted to have a baby sister xx."