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Now the sand has settled after the storm of Doctor Who's 50th anniversary, our attention is firmly set on the Christmas special.

The departing Matt Smith will regenerate into Peter Capaldi on Christmas Day and - while details are obviously being kept under wraps - speculation has begun regarding the Time Lord's new costume.

Fans got a look at their new man - his eyes, at least - last month in The Day of the Doctor and there's a continuing sense of excitement and speculation as we get closer to the The Time of The Doctor.

According to Radio Times, reports suggest Peter's costume will combine old and new as a way to look "to the future" while making reference to him being "the oldest Doctor".

A source said: [It is a] bit old fashioned to denote the fact that he is the oldest Doctor... [while] looking to the future as well."

The debuting Time Lord had a say in his costume, reportedly deliberating its design with show boss Steven Moffat, executive producer Brian Minchin and senior members of the art team - all before it was given the nod by senior BBC executives.

Despite people claiming he is too old for the role, Peter recently joked he's actually too young to play a character who is "thousands of years old".

And while he may have criticised himself with his tongue placed firmly in cheek, BBC controller Charlotte Moore has reassured fans he will be "amazing" as the Doctor.