The armed forces charity Scotty's Little Soldiers is attempting to break the world record for the longest-ever game of rugby union to help raise funds to support the charity. They will be playing for 25 hours non-stop in the Leicester Tigers stadium.
The Military Wives Choir are also singing and the British Army's Red Devil skydiving team will be flying into the stadium with the match ball before the game kicks off.
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It's a day of great excitement for many - but disappointment for tens of thousands who don't get the place they were after.
One has straight ginger hair, a fair complexion and blue eyes. The other has darker skin and her eyes are brown.
The singer says he is proud to be able to show his children the streets in his home town that have been named after his songs.