Billie's naughty nickname
13:30 11 April 2006
Bille Piper has caused a stir by revealing she has nicknamed her 'Dr Who' co-star David Tennant "David Ten-Inch".
The actress has sparked speculation she has caught a glimpse of the dashing actor's appendage on set by revealing her racy nickname.
But although Billie, who plays the Time Lord's companion Rose Tyler in the hit sci-fi series, knows the revelation will cause a stir, she is refusing to reveal whether or not she has actually seen his manhood.
Billie said: "I have no basis or grounds for calling him that. I just find it funny."
David also has pet names for Billie, and calls his sexy sidekick "Carlos Carlos", but the reason is unknown.
Both Billie and David have signed up for a third series of the popular BBC series which returns to screens this weekend.
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