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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Leicester City star Jamie Vardy will marry his fiancee Rebekah Nicholson in a lavish ceremony on Wednesday.
Leicester City striker Jamie Vardy is set to marry his partner Becky Nicholson today after moving the date due to a clash with Euro 2016.
A cooler and cloudier day on the whole, although it will remain dry in most places.