Zion Williamson didn't get much time to celebrate being a girl dad before becoming the center of some bombshell allegations ... 'cause a popular porn star says the hooper "better pray" he's not about to be a father of two.
32-year-old Moriah Mills -- a music artist and OnlyFans model with more than a million followers on Twitter -- alleged she is in a romantic relationship with the New Orleans Pelicans forward in a Twitter rant on Wednesday ... claiming she had no idea he was seeing someone else, let alone expecting a baby, too.