Doctor Who: 20 Things You Didn't Know About The Tenth Doctor
14. His Costume Was Inspired By Jamie Oliver
For those who don't know, Jamie Oliver is a British chef who ruined millions of children's school dinners by trying to make them "healthy".
Leave our turkey twizzlers alone, Jamie!
He's also indirectly responsible for one of the most iconic pieces of costuming in British TV history.
The culinary expert appeared on UK chat show Parkinson (alongside Billie Piper) shortly after Tennant accepted the role. He was sporting a suit that caught the eye of one Russell T Davies, who was watching the episode and borrowed Oliver's style choices for his new Doctor.
The Tenth Doctor's costume actually offers a fun little game for fans to play, as he buttons the waistcoat in various different combinations across episodes.
And these aren't the only costume facts we've got for you - here's another one...