Cheers and celebrations in London after Buckingham Palace made it official (Palace officials putting frame on easel)

SOUNDBITE: Well-Wisher, Shaza Elmusharaf, saying:

"I'm excited, I'm very happy and I hope mum and baby are doing really well and I'm so happy for her and I wish them all the best of luck."

SOUNDBITE: Well-wisher Rachhel Carter Eagelton saying:

"I thought it was going to be a girl, cos I've got two little girls. And when I was pregnant I was really sick, and she (DUCHESS OF CAMBRIDGE) was really sick, so I was like, it's gonna be a girl, it's gonna be a girl. Obviously it's not; it's a boy. I'm really excited for him. I couldn't wait just to get down here and literally I pulled and they were like, 'he's here', and I'm 'naaaah

It wasn't just Brits who were celebrating.

SOUNDBITE: Well-Wisher Chris Murphy saying:

"I could not be more excited if I tried. I'm not from here, I don't live here, but I am so thrilled that Kate and Will ha