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.

The Kardashians stepped out last night for Kylie Jenner's 21st birthday party, and the night was just as extra as you'd expect. From Kylie's eye-catching outfit changes, to Kendall Jenner's barely ...

She made her birthday even more special by cutting the cake with paps ... all her close friends from the industry to celebrate her 21st birthday. Ashnoor looked stunning in a white dress.

The party will last from 5 to 9 p.m. There will be a birthday sing-a-long at 7 p.m. There will be free activities including kid-friendly party games, art activities, cupcakes, a DJ and even a ...