Katy Perry was present during Sia's performance at the Hollywood Bowl and her Instagram stories are enough proof that she had the time of her life!
The Rise singer couldn't help but express her admiration for the Cheap Thrills singer! She tweeted:
Watch the video below as she reveals the face behind Sia's signature do!
Now how about a Katy Perry x Sia collaboration? Hmmm.
Would you like Katy and Sia to collaborate on a song soon? Tell us in the comments!