AP Photo/G-Jun Yam
- The Mega Millions jackpot climbed to $1 billion ahead of a Christmas Eve drawing.
- If someone wins on Tuesday, they will score the seventh-largest prize in the game's history.
- The lump sum cash option is about $448.8 million, according to the Mega Millions website.
One lucky lotto player could wake up to a billion-dollar Christmas morning this year.
The Mega Millions jackpot hit an estimated $1 billion on Tuesday ahead of the Christmas Eve drawing...