Crystal Palace secured their place in next season's Premiership with a 1-0 win over East London rivals, West Ham. The only goal of the game was a penalty scored by The Eagles' Mile Jedinak.
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Transport for London teamed up with a host of recognisable voices to encourage Londoners to support the Royal British Legion.
She will be joined by chart acts Rixton and Jess Glynne when she presses the button for the festive illuminations on November 6.