Canberran’s Allison and Andrew took their kids Sienna and Jack to Sydney over the weekend to see Katy Perry in concert.

While at Luna Park the family spotted someone in a Bear onsie and after some second glances realised it was Katy herself!

Would you spot Katy if she were this incognito?

Allison and fam were also at the concert when a spectator managed to get on stage, Ally told Rod and Gabi what went down