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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Dry and cold with patchy fog possible overnight.
Hollywood actor Steve Martin has received some blame from Newcastle fans about their defeat to Nottingham Forest.
A few mist or fog patches are possible.