And it involves Glee!!!
Watch (above) to get the scoop and then help us share the exciting news!!!!
The former Playboy model held her baby shower at the Meatball Spot in Sin City yesterday, and even though the BIG football game was going on, she was way more innerested in celebrating her unborn bayaby!
A pal close to the beauty revealed:
"It was a Valentine's-themed shower."
The source added that Holly drank a virgin beverage called The Holly-Go-Lightly in a glass wrapped in her signature Sugar Factory candy necklace.
And to make the PAR-TAY even more festive, the guests were asked to donate to the Baby2Baby charity and went home with gift bags from Le Bebe Coo.
Sounds like Madison definitely knows how to throw a bash! Now we just have to wait for her baby girl to arrive next month so she can celebrate her birthday!!
[Image via Elmo Jay/AKM-GSI.]