It was *Alice’s 21st birthday ... five-minute drive home, the cake fell apart into big chunks,” Alice’s friend said, horrified. There, the birthday girl discovered the inside of the cake ...

On Tuesday, the "Vampire" singer marked the milestone birthday by taking to Instagram to share multiple celebratory snaps — including one showing her posing next to a "spill ur guts" cake.

Sami posted a photo of her pink frosted birthday cake with 21 metallic pink ... she captioned the snapshot. "Happy 21st birthday to my beautiful Sami girl," Denise wrote in the caption of the ...

They then lit the candles and cut the cake. As the night came to an end, everyone took time to say goodbye, snap a few more pictures with the birthday girl and take a cookie version of Teen Vogue ...