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JLS, The Wanted And Britney Spears have come together to support our 'Help A Capital Child' appeal.
The chart-topping stars will take part in a number of features throughout the weekend to help raise money for 'Teenage Cancer Trust', helping to provide specialist hospital units and care for young people with cancer.
Other guests on Capital over the weekend include comedians James Corden and Keith Lemon.
You can get involved and help make a difference by making a £5 text donation. Simply text GIVE to 70766 to help make a difference.*
Alternatively you can make your donation online here.
Help raise awareness of our 'Help A Capital Child' appeal @capitalofficial on Twitter using #CapitalAppeal
You find out more details on the appeal here.
*Please ask the bill payers permission before texting. Registered with PhonepayPlus. Registration number ORG831-51159-55647. Customer service number 020 7054 8397