Kacey celebrated her 26th birthday like every other 26 year old….at a roller rink with Katy Perry. That's not how every other spends their 26th birthday? Oh.
Nonetheless, it looks like Kacey and her gang had a blast "gettin their 8th grade on" and we hope she had a very happy birthday!
Kacey is currently opening up for Katy on her Prismatic World Tour.