For more 'mobot' videos, click here
Stars are 'doing the mobot' to raise money for Mo Farah's charity.
Learn the moves and make your own mobot video to be in with a chance of appearing in the official video here
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Want to join one of the UK's strangest fan clubs?
Temperatures are expected to get warmer throughout the day with highs of 21C expected to make today the hottest Halloween on record.
But Tower Hill Underground station just a few hundred yards away will be shut because of engineering work on the District Line.