A £6.6m jackpot is up for grabs in tonight's Lotto. The lifechanging amount comes as a new format is being used.Players can take part by using two sets of six main numbers and a bonus ball drawn using two separate machines. Under the new format players are automatically placed into two separate rounds in every draw meaning two chances of winning a prize.As well as the Lotto, the Thunderball also takes place tonight with a possible £500,000 win.Draws tonight (Saturday, July 11) are between 8pm and 8.30pm.Follow our live updates here for the winning numbers: