Thrill ride! Katy Perry wears head-to-toe Mickey Mouse apparel as she makes a splash at Walt Disney World

She's been busy crisscrossing North America on her Witness Tour, which kicked off in September.

But Katy Perry took a brief break from her performance duties as she enjoyed being a big kid for a fun-filled day out at Walt Disney World in Orlando, Florida, on Sunday.

The American Idol judge, 33, was in full fan mode during her day at the Magic Kingdom, donning head-to-toe Mickey Mouse apparel and Disney accessories.

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Taking the plunge! Katy Perry took a brief break from her performance duties as she enjoyed being a big kid for a fun-filled day out at Walt Disney World in Orlando, Florida, on Sunday

Taking the plunge! Katy Perry took a brief break from her performance duties as she enjoyed being a big kid for a fun-filled day out at Walt Disney World in Orlando, Florida, on Sunday

The pop princess wore striped leggings bearing Mickey and Minnie Mouse's faces which she paired with an oversized tee with Mickey Mouse on the front.

Katy even matched her footwear to the theme, opting for a pair of classic Adidas Superstars with the famous character looped into her shoelaces.

The starlet accessorized with a chain choker, amber-hued aviators, a blingy watch and of course her requisite mouse ears atop her short, blonde crop.

Dangling heart earrings added a sweet touch, while the Teenage Dream singer carried her things in a Prada mini-backpack. 

Hey Mickey! The American Idol judge, 33, was in full fan mode during her day at the Magic Kingdom, donning head-to-toe Mickey Mouse apparel and Disney accessories 

Hey Mickey! The American Idol judge, 33, was in full fan mode during her day at the Magic Kingdom, donning head-to-toe Mickey Mouse apparel and Disney accessories 

Disney superfan! The stylish pop star was in full fan mode at the park, wearing leggings bearing Mickey and Minnie Mouse on bold black and white stripes

Disney superfan! The stylish pop star was in full fan mode at the park, wearing leggings bearing Mickey and Minnie Mouse on bold black and white stripes

Making a splash! The Swish, Swish star raised her hands and screamed as she and her crew barreled down the iconic 50foot drop

Making a splash! The Swish, Swish star raised her hands and screamed as she and her crew barreled down the iconic 50foot drop

The Fireworks singer glammed up her look with shimmering make-up.

Katy couldn't hide her excitement while taking the plunge down Splash Mountain with her friends.

The Swish, Swish star raised her hands and screamed as she and her crew barreled down the iconic 50foot drop. 

During her trip she also spent some time with the big cheese himself, Sir Mickey Mouse.

Going glam: The Fireworks singer glitzed up her look with shimmering eyeshadow, bold brows and lush eyelashes

Going glam: The Fireworks singer glitzed up her look with shimmering eyeshadow, bold brows and lush eyelashes

Devil's in the details! The starlet accessorized with a chain choker, a blingy watch and of course her requisite mouse ears atop her short, blonde crop

Devil's in the details! The starlet accessorized with a chain choker, a blingy watch and of course her requisite mouse ears atop her short, blonde crop

Dot's the ticket! Katy swapped into shimmering pair of polka dot mouse ears to take a photo with Goofy in front of Sleeping Beauty's castle

Dot's the ticket! Katy swapped into shimmering pair of polka dot mouse ears to take a photo with Goofy in front of Sleeping Beauty's castle

The Walt Disney cartoon character was dressed in his holiday finest, donning a green sweater with snowflakes paired with red slacks.

Mickey asked Katy to dance - but she made sure not to get on his girlfriend Minnie's bad side by doing a bit of shimmying with her in another snap.

She swapped into shimmering pair of polka dot mouse ears to take a photo with Goofy in front of Sleeping Beauty's castle while also posing on the carousels. 

While Katy was relaxing, she been hard at work juggling a number of new projects in recent weeks.

Mouse in the house! During her trip she also spent some time with the big cheese himself, Mickey Mouse, who she danced with for a moment

Mouse in the house! During her trip she also spent some time with the big cheese himself, Mickey Mouse, who she danced with for a moment

Dance party! Katy made sure not to get on Minnie Mouse's bad side by doing a bit of shimmying with her in another snap
Dance party! Katy made sure not to get on Minnie Mouse's bad side by doing a bit of shimmying with her in another snap

Dance party! Katy made sure not to get on Minnie Mouse's bad side by doing a bit of shimmying with her in another snap

On Tuesday, the singer teased images from her yet-to-be-released music video for Hey Hey Hey, where she emulated Marie Antoinette in powdered wigs and corsets.

Katy's just a few months into her whirlwind Witness tour which began in Montreal, Canada in September and will wrap up in Auckland, New Zealand in August 2018.

Never one to underachieve, Katy and her American Idol co-hosts Lionel Richie, and Luke Bryan have already visited several cities auditioning singers for the series reboot.

Season 16 of American Idol will premiere March 11 2018 on ABC.

Let them eat cake! On Tuesday, the singer teased images from her yet-to-be-released music video for Hey Hey Hey, where she emulated Marie Antoinette in powdered wigs and corsets

Let them eat cake! On Tuesday, the singer teased images from her yet-to-be-released music video for Hey Hey Hey, where she emulated Marie Antoinette in powdered wigs and corsets

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