Celebrity fitness trainer Jono Castano puts British singer Rita Ora through her paces

Celebrity fitness trainer Jono Castano puts British singer Rita Ora through her paces with a series of gruelling leg exercises… which leave her unable to walk down the stairs

He’s trained celebrities including Rebel Wilson and Candice Warner, and now Jono Castano has taken on Rita Ora.

In a series of videos posted to Instagram Stories on Tuesday, the 30-year-old celebrity fitness trainer showed Rita being put through her paces at the gym.

Wearing a maroon-coloured crop top and matching exercise tights, Rita, 30, appeared focused as she sat at a leg lift machine.

Working it: He’s trained celebrities including Rebel Wilson and Candice Warner, and now Jono Castano has taken on Rita Ora (pictured)

Describing the exercise as ‘leg kick out thingys’, Jono revealed he put Rita through ’10 straight, 10 inwards, 10 external’ repetitions.

A second more playful video posted to Instagram Stories showed Rita struggling not to laugh as she flipped Jono the middle finger.

Commenting on the video, the popular exercise coach joked that he and Rita have a ‘love hate relationship’.

Flex: In a series of videos posted to Instagram Stories on Tuesday, Jono Castano (pictured) showed Rita being put through her paces at the gym

Flex: In a series of videos posted to Instagram Stories on Tuesday, Jono Castano (pictured) showed Rita being put through her paces at the gym

Actions speak louder than words: A playful video posted to Instagram Stories showed Rita struggling not to laugh as she flipped Jono the middle finger

Actions speak louder than words: A playful video posted to Instagram Stories showed Rita struggling not to laugh as she flipped Jono the middle finger

But despite her complaints, Rita appeared pumped ahead of one of her workouts, sharing a photo of herself relaxing in a boxing ring on Instagram Stories on Monday. 

‘Letsssss goooo,’ she captioned the post, tagging Jono.

She later shared a short video of herself dancing around as she pulled on a black hooded sweatshirt in the gym following her workout. 

Ready to rumble: Despite her complaints, Rita appeared pumped ahead of one of her workouts, sharing a photo of herself relaxing in a boxing ring on Instagram Stories on Tuesday

Ready to rumble: Despite her complaints, Rita appeared pumped ahead of one of her workouts, sharing a photo of herself relaxing in a boxing ring on Instagram Stories on Tuesday 

Right at home: Rita has been making the most of her time in Australia since arriving at the start of February to film the 2021 season of The Voice

Right at home: Rita has been making the most of her time in Australia since arriving at the start of February to film the 2021 season of The Voice

‘I’m a nerd and it’s so cool,’ she captioned the video.

But in another video shared on Instagram Stories, Rita revealed that ‘post-workout I can’t control my legs to walk down the stairs’.

She was seen anxiously gripping the handrail as she struggled to make her way down a flight of stairs. 

Dancing queen: She later shared a short video of herself dancing around as she pulled on a black hooded sweatshirt in the gym following her workout

Dancing queen: She later shared a short video of herself dancing around as she pulled on a black hooded sweatshirt in the gym following her workout

Legging it: In another video shared on Instagram Stories, Rita revealed that 'post-workout I can't control my legs to walk down the stairs'

Legging it: In another video shared on Instagram Stories, Rita revealed that ‘post-workout I can’t control my legs to walk down the stairs’

‘I can’t walk down the stairs. I actually… Argh! Cannot. Walk. Down the stairs,’ she said in the video, screaming after she almost fell. 

Rita has been making the most of her time in Australia since arriving at the start of February to film the 2021 season of The Voice. 

She’s been seen mingling with A-list pals including Russell Crowe, Chris Hemsworth, Elsa Pataky, Matt Damon and Isla Fisher, and is even rumoured to have enjoyed a romance with Taika Waititi. 

'I can't walk down the stairs. I actually... Argh! Cannot. Walk. Down the stairs,' she said in the video, screaming after she almost fell

‘I can’t walk down the stairs. I actually… Argh! Cannot. Walk. Down the stairs,’ she said in the video, screaming after she almost fell