A National Lottery spokesman said:
This Bank Holiday has turned out to be truly memorable for one UK winner, not only will they enjoy the extra day off but they'll now also be banking a multi-million-pound cheque.
This single UK ticket-holder will enter the exclusive top 10 on The National Lottery rich list - at number eight - and we've got the champagne on ice ready for the lucky winner to claim their prize.
As well as offering a chance to win life-changing prizes, EuroMillions continues to help raise over £33 million every week for National Lottery-funded projects across the UK.
More top news
Other entries in the UKTV channel Gold competition included jokes about Donald Trump, Brexit, Southern Rail and Ryanair UKTV channel Gold.
Temperatures will remain close to freezing.
The prime minister's announcement came as international leaders gather in Paris on the second anniversary of the climate change plan.