1. Celebrity Billionaires Guess who…

2. I am the world’s richest man, valued at $56 billion

3. Now aged 51, I am involved with tackling AIDS in Africa and set up my own charity to help them So far, I have given away nearly $30bn of my fortune to good causes

4. I made my money as the inventor of Microsoft Windows

5. My name is Bill Gates

6. My name is Joanne and I am a 42 year old writer I have sold over 325 million books - the last four have been the fastest selling books in history

7. I have a fortune of £545 million which makes me the thirteenth richest woman in Britain I have donated £22 million to Comic Relief

8. I am the author of the Harry Potter books

9. My name is JK Rowling

10. I am the third richest man in the world, worth $52 billion I made my money through investing in insurance companies

11. Recently I gave $30 billion of my fortune to the Bill and Melinda Gates Foundation - the largest single donation ever made in the USA

12. I only earn $100,000 a year and still live in the same house that I bought in 1958 for $31,500

13. My Name is Warren Buffet

14. I am 53 and the world's only black billionaire for three years in a row I am also, according to many assessments, the most influential woman in the world

15. I am an influential book critic, an Oscar nominated actress, and a magazine publisher, as well as an award winning chat show host In 2005 alone I donated $303 million to charity

16. My chat show is called The Oprah Winfrey Show

17. My name is Oprah Winfrey

18. I am a Russian oil billionaire worth $18.2 billion

19. In Russia, I am well known as the governor of Chukotka in the far northeast of the country

20. I am best known in the UK as the owner of Chelsea Football Club

21. My name is Roman Abramovich