David Tennant is attending the Doctor Who fan convention, Project Motor Mouth, at the Copthorne Hotel in Slough today!
The event was organised by Fifth Doctor actor, Peter Davison, to help raise the spirits of Tegan actress, Janet Fielding, who is currently battling cancer.
If you're heading along then we hope you have an amazing time and you can chat about the event on our Facebook page here.
If you're not attending then don't worry as we'll be there and we will be bringing you all the latest news and gossip over on our Twitter account at www.twitter.com/davidtennantcom
If you're having a photo session then you can also tweet us your photos of yourself with David or email them to us at email@example.com so we can share them with other fans!