The Powerball jackpot has grown to an estimated $360 million for Wednesday night's drawing.
Jennifer Adler, a spokeswoman for the Arizona Lottery, said the jackpot was increased from $350 million based on a forecast of ticket sales, which have outpaced the Lottery's forecast.
Sales of the $2 tickets for the next drawing stop at 6:59 p.m. Wednesday.
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The girls had befriended a man on Instagram, who bought them a one-way plane ticket for what they thought would be some modeling in music videos.