Poppy Appeal launch: Lott and Dixon 'honoured' to sing
24 October 2012 Last updated at 16:34 BST
The Royal British Legion's annual poppy appeal has been launched, with the aim of raising £42m to help service personnel and their families in need
Singers Pixie Lott and Alesha Dixon have asked people to wear poppies to show their gratitude and to help service personnel and their families in need.
The pair are performing at a concert in London's Trafalgar Square to mark the event, along with the Military Wives Choir.