It will be a frosty start at Cheltenham, with the best of the brighter skies early on in the day.
But it is a measly 3c, meaning it will feel bitterly cold in the wind chill.
More top news
Cruz said his debut single combined two of his favourite things - singing and Christmas - and all profits will go to charity.
Prince Harry took a break from his normal royal duties to try out brokering multi-million deals as a trader in a charity day.
The President-elect was named Time's person of the year for creating a "Divided States of America".