Katy Perry is in Resorts World, not Wonderland, but you might not know the difference from getting a gander at her new Las Vegas residency, which opened at the city’s newest casino and hotel Wednesday night.

The mushrooms are anywhere from nine to 20 feet tall. A cereal box is 10 feet tall by 16 feet long. A snail that Perry rides during one number is 11 feet long by 12 feet tall. Did we mention there is a giant toilet? She emerges from its 16-feet-tall faux-ceramic majesty. And yet amid all this, no one will mistake her for the Incredible Shrinking Woman, any more than anyone ever mistook her for a shrinking violet.

Produced by Baz Halpin, Perry’s five-act show features such hits as “California Gurls” and “Firework” as well as a cover of Whitney Houston’s “Greatest Love of All.” The production has been directed and choreographed by the Squared Division, aka Ashley Evans and Antony Ginandjar, with Kris Pooley acting as musical director. Halpin doubled as lighting designer as well as producer, and his Silent House Productions handled the production design. Costume designers are Zaldy, Heather Picchiottino and Johnny Wujek.

Check out this gallery of their collective work on the show, which runs in Resorts World Las Vegas’ 5,000-seat theater Dec. 31, Jan. 1, 7-8, 12, 14-15, and March 2, 4-5, 11-12, 16 and 18-19:

Photo : John Shearer for Katy Perry

Shroom Rater

Katy Perry dons a mushroom cap during her residency at Resorts World Las Vegas on December 29, 2021.

Photo : John Shearer for Katy Perry

Katy Perry goes the extra mile to hoard 6′-by-6′ toilet paper rolls during her residency at Resorts World Las Vegas.

Photo : John Shearer for Katy Perry

Bowl Games

Katy Perry performs from within a 16-foot tall toilet during her residency at Resorts World Las Vegas.

Photo : John Shearer for Katy Perry

Bopping Horse

Katy Perry rides a giant rocking horse during “Katy Perry: PLAY” on December 29, 2021 in Las Vegas, Nevada.

Photo : John Shearer for Katy Perry

Socket to ‘Em

Katy Perry plays the prong game during “Katy Perry: PLAY.”

Photo : John Shearer for Katy Perry

Snail Female

Katy Perry rides an 11′ long, 12′ tall snail in her residency at Resorts World Las Vegas.

Photo : John Shearer for Katy Perry

Go Mask Alice

Katy Perry masks up during “Katy Perry: PLAY Las Vegas” on December 29, 2021.

Photo : John Shearer/Getty for Katy Perry

Key to the Resort

Katy Perry performs from within a giant keyhole during her residency at Resorts World Las Vegas.

Photo : John Shearer/Getty for Katy Perry

Wrecking Tire

Katy Perry goes swinging during “Katy Perry: PLAY” on December 29, 2021.

Photo : John Shearer/Getty for Katy Perry

A Tigress Changes Her Stripes

Katy Perry performs during “Katy Perry: PLAY” at Resorts World Las Vegas on December 29, 2021.

Photo : John Shearer/Getty for Katy Perry

Speed Petal

Katy Perry indulges in flower power during her residency at Resorts World Las Vegas.

Photo : John Shearer/Getty for Katy Perry

Fridge, Er

Katy Perry raids the refrigerator during “Katy Perry: PLAY,” her residency at Resorts World Las Vegas.

Photo : John Shearer for Katy Perry