Katy Perry's Lisa Frank Inspired Tour Costumes

Katy Perry performs on the opening night of her Prismatic World Tour at Odyssey Arena on May 7, 2014 in Belfast, Northern Ireland; Lisa Frank Illustration

Getty Images; Lisa Frank

Katy Perry is keeping the '90s alive with her Prismatic world tour costumes.

The pop star’s show is full of outfits that look like a mashup of My Little Pony and Lisa Frank. Along with the kitty cat costume -- or shall we say “Katy” cat? -- the singer also rocked a Lisa Frank-ified patterned dress, bringing back all those memories of trapper keepers filled with notes passed around the classroom.

Katy Perry Launches Prismatic World Tour in Belfast

So while you’re reading this, will be calling up the 'rents, asking them to dust off all things Lisa Frank from the attic.