1. I met Steph when she came to my premiere with her dad on a freezing night. I'm an actress, and I have previously co-starred with Heath Ledger, Orlando Bloom and Geoffrey Rush in a movie about an Australian outlaw. Who am I? Nicole Kidman Naomi Watts Charlize Theron Keira Knightley

2. Hi, I met Steph at an autograph convention in April 2005. I was the third celebrity she met on the day. I'm an actor, and was famous as a child too. I have co-starred with Elijah Wood, Viggo Mortensen and Cate Blanchett in a famous trilogy. Who am I? Alan Tudyk Sean Astin Jonathan Frakes William Shatner

3. I met Steph in July 2006 at a premiere. This premiere was crowded, mega crowded. The film that was premiering was a sequel, so I didn't expect such a large crowd. In the film, I got to kiss both the leading actors, and felt so lucky! The film was set at sea with pirates. Who am I? Keira Knightley Michelle Williams Sandra Bullock Katie Holmes

4. Hey there. I met Steph at an autograph convention in Milton Keynes. As I had loads of fans from my success from a TV show set in space, I couldn't personalize the autograph. I starred alongside Sandra Bullock, Benjamin Bratt and Candice Bergen in a film about a female FBI agent. Who am I? Dave Prowse William Shatner Ewan McGregor Jonathan Frakes

5. I met Steph at a premiere that starred myself and another actor reuniting in a film after 12 years. I have been in many famous films, and I own a film production company called Fortis Films. I previously starred with Bill Pullman, Peter Gallagher and Peter Boyle in a funny film about someone pretending to be engaged to a man in a coma. Who am I? Sandra Bullock Hilary Swank Renee Zellweger Kate Winslet

6. I met Steph at a premiere of mine. I am the lead co-star of a great leading lady who had starred with me in a film about a bomb on a bus in 1993. Previously in my career, I starred with Kenneth Branagh, Kate Beckinsale and Denzel Washington in a Shakespearian comedy about two conspiring lovers. Who am I? Russell Crowe Keanu Reeves Clint Eastwood Leonardo DiCaprio

7. I was able to meet Steph outside the Royal Shakespeare Theatre in August 2006. She had just seen 'The Tempest' with her friends, and I was the lead role in it. I have been in quite a few famous TV shows and films, but I prefer to be known as a theatre actor. I starred in a film starring Cary Elwes, Dave Chappelle and Roger Rees. It was a spoof about a legendary English outlaw. Who am I? David Schwimmer Ian McKellen Patrick Stewart Ian Holm

8. I'm an actor. I'm known for being in a small band. I briefly met Steph by saying 'Hi' to her, before giving her a Hi-5. The premiere I went to was for a film I was in, but it was rather different for me because this film was a mega-blockbuster and was directed by the man who had previously made a famous trilogy. Before this film, I had starred in a film about a substitute teacher who tried to turn his class into a rock band. This film starred Adam Pascal, Mike White and Miranda Cosgrove. Who am I? Joaquin Phoenix Russell Crowe Jack Black Viggo Mortensen

9. G'day. I met Steph at an autograph convention. She was really happy to meet me as I was in some of her favourite films. I played the brother of Sean Bean's character in her favourite films, and fell in love with the character played by Miranda Otto. However, I also starred in a film with Hugh Jackman, Kate Beckinsale and Will Kemp. Who am I? Paul Norell Viggo Mortensen David Wenham Karl Urban

10. Hello, I am apparantly one of the best actors ever according to many different polls. I have starred alongside Freddie Highmore twice, and worked with Tim Burton a number of times on different projects. I met Steph at my premiere in July 2006 on a roasting day in London's Leicester Square. The first film I was in, I was cast alongside Robert Englund, John Saxon and Jsu Garcia about a child murderer. Who am I? Orlando Bloom Al Pacino Brian Blessed Johnny Depp