It’s a dirty (and tasty) 30.

Demi Lovato rang in her 30th birthday alongside her best friends, including Paris HiltonThe party was attended by a surprise four-tiered birthday celebration cake.

As seen in several Instagram Stories posted Aug. 23, Demi was presented with a custom designed Celebration Cake by SusieCakes—vanilla with colorful sugar confetti—with inspo from the artist’s new album, Holy Fvck, including swirls of black, red silver with “Happy Dirty 30 Demi” written on it. 

Kristen Stewart Ashley Benson and Maika MonroeThe hairdresser invited them along to join in the fun, and they took silly photos. CJ RomeroOct. 24, 2008 – shared

Demi and Paris also snapped a selfie during the bash, which the pop star—who performed at the Paris in Love star’s To marry in 2021 Carter Reum—shared on her Instagram Stories. 

Earlier this week, on Demi’s actual birthday, Paris posted a series of photos of the pals, calling the Disney alum a “true and loyal friend.”