Big Brother 2013 airs first 'Secret' promo - watch now!

The first promo for Big Brother 2013 premiered today, teasing a secret twist!

The spot was broadcast on Channel 5 earlier this afternoon, with the hashtag "What's The Secret?"

Or #WhatsTheSecret, in Twitter speak.

There's already been plenty of speculation over what it all means, but bosses are keep tight lipped!

A Big Brother 2013 start date in June is now confirmed, although as yet the exact date has not been revealed.

This week bosses announced that Rylan Clark and AJ Odudu would be joining Emma Willis on Bit On The Side for the new series this summer.

They also confirmed a new Sunday lunchtime version of the spin off, a new psychology series and a return of live streaming.

An excited Emma can't wait, and she told us: "I’m out of the closet with my Big Brother obsession! There’s no hiding it. I’m out there and proud!"

A new house is expected to be revealed next week and we cannot wait!

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