For more 'mobot' videos, click here
Stars (and West End productions!) 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
More top news
In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The terror attack carried out by Khalid Masood at Westminster that left four people dead lasted less than two minutes say police.
Two knives were found at the scene in Islington, North London, and the suspects fled on foot before being arrested.