A very lucky Florida woman is celebrating becoming an overnight multi-millionaire after buying two winning lottery tickets.
The Florida Lottery announced Susan Fitton has claimed two $2 million prizes in the Mega Millions jackpot game, which is equivalent to around $5.5 million total Australian dollars.
The 64-year-old’s numbers on the identical tickets matched all five white balls, but not the Mega Ball, meaning she won the lottery twice on the same day.
An add-on feature also reportedly helped boost her life-changing windfall.
"The Megaplier number for the Sept. 14 drawing was 2, which doubled Fitton's prize from $1 million to $2 million," Meredyth Hope Norman, communications manager at the Florida Lottery, told the Miami Herald.
"But she bought two tickets with the same numbers, so that became $4 million."
She claimed her big prize after a drawing at the West Palm Beach District Office on September 14.
The Prop Mart in Boca Raton, where she bought the winning tickets, will also receive more than $10,000 ($7,268 AU) as part of a bonus commission.
Woman defies odds to win big twice
WPTV reports the odds of winning a $1 million Mega Millions prize one in 12,607,306, meaning Ms Fitton is extremely fortunate to claim victory - not once, but twice.
And while it's rare to win the lottery twice, it's not unheard of.
In July a lucky punter claimed two big prizes in as many weeks.
The man from South Carolina claimed a $US40,000 prize on July 16 and then a $US3 million one on July 27.
The Florida lottery website it has "made more than 3,000 people millionaires," with more than $US75 billion paid out in winnings over the years.
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