Robbie Williams will turn on the Christmas lights later this evening at Oxford Street in London.
The 38-year-old from Stoke-on-Trent will be joined by Leona Lewis and Lawson.
Tens of thousands are expected to attend the event, which will be ticketed for the first time.
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Cloudy with some rain, becoming drier and brighter later.
Rather cloudy with patchy rain for a time.
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