Roger Mosey, the Acting Director of BBC Television, tweeted to say that the Duchess of Cambridge has arrived at the Excel Centre where she will present the Sports Personality of the Year and Lifetime Achievement awards.
Pleased to confirm that the Duchess of Cambridge has arrived at Excel for #Spoty. We're delighted she's taking part in the show tonight.
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The House of Commons Petitions Committee has said they will keep an eye on the petition and are concerned about fraudulent signatures.