Benedict Cumberbatch has become a sex symbol

Sherlock star Benedict Cumberbatch recently finished shooting scenes for the second Star Trek film and later this year we'll see him in TV drama Parade's End - but he won't be looking his usual self.

As Christopher Tietjens - an aristrocrat in a love triangle with two women - he's a different shape.

'I wore a fat suit under my clothes and had bumpers in my cheeks,' reveals Benedict.

'They attach like a brace to your teeth to make your face look plumper.'

Benedict, 35, will also follow in the footsteps of other British celebrities such as Sir Paul McCartney and Simon Cowell by making a cameo appearance in The Simpsons.

'I was at a meeting yesterday in the same place as The Simpsons is recorded and heard there was a part going in an episode,' Benedict tells InStyle.

'I
said: "I hate to muscle in here, guys, but could I record it?" Next
thing, I'm standing in a room with all those famous voices: Bart, Marge, Homer, Lisa...'

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Anna Duff