'Don't want to lose their spot!' Rihanna shares snap of die-hard fans with DIAPERS as they queue for her Rock In Rio concert

For a Brazilian Rihanna fan her Rock In Rio concert was set to be the experience of a lifetime.

And some die-hard fans were so detemrined to get the best spots that they went to extraordinary lengths to make sure they were front and center for the performance.

The singer posted a photo on her Instagram account showing festival-goers waiting in line brandishing disposable diapers.

Written alongside the picture was the message: 'Some of #RihannaNavy fans will be wearing #diapers...don't want to lose their spot going to the bathroom. #RockinRio.'

Now that's dedication: Fans showed the disposable diapers they planned to wear so as not to lose their place in line should they need to go to the bathroom as they waited for Rihanna's Rock In Rio concert Saturday

Now that's dedication: Fans showed the disposable diapers they planned to wear so as not to lose their place in line should they need to go to the bathroom as they waited for Rihanna's Rock In Rio concert Saturday

Before she took to the stage, Rihanna had a treat in store for some of lucky fans who'd been waiting so long to see her perform.

The 27-year-old performer took some time to meet them, signing autographs and chatting. 

She looked casually cool in the Brazilian heat as she stepped out wearing a red silky bandana on her head, coupled with a Nineties inspired ruched nude dress.

Surprise! The star took a number of silly selfies with her Brazilian fans outside the venue

Surprise! The star took a number of silly selfies with her Brazilian fans outside the venue

NIce touch: Rihanna took the time to sign autographs for her eager fans before her performance
NIce touch: Rihanna took the time to sign autographs for her eager fans before her performance

NIce touch: Rihanna took the time to sign autographs for her eager fans before her performance

It may have been a long wait but when the Diamonds hitmaker finally began her set on the music festival's sixth night, the crowds weren't disappointed.

Rihanna played with her wavy strands as she sauntered on stage, sporting a pair of large sunglasses and a tight black tank top.

She also had long and sparkling necklaces that fell past her cleavage.

Don't stop the music! Rihanna played with her hair as she performed at Rock In Rio on Saturday in Rio de Janeiro, Brazil

Don't stop the music! Rihanna played with her hair as she performed at Rock In Rio on Saturday in Rio de Janeiro, Brazil

I can't hear you! The Umbrella hit-maker was no doubt loving the audience's energy as she extended her microphone in the crowd's direction

I can't hear you! The Umbrella hit-maker was no doubt loving the audience's energy as she extended her microphone in the crowd's direction

Totally in tune: The chart-topper closed her eyes as she serenaded the enthusiastic audience

Totally in tune: The chart-topper closed her eyes as she serenaded the enthusiastic audience

Wowing the crowd: The looker didn't hold back as she performed 
Making moves: The beauty grew animated during her performance 

Wowing the crowd: The looker didn't hold back as she performed 

Having recently unveiled a brand new pair of shoes for Puma, Rihanna's professional life is clearly going from strength to strength.

And her rumored romance with Travis Scott that has also made headlines with the couple appearing to confirm they're more than friends when they put on a steamy display at a New York Fashion Week party.

Rihanna sparked further rumours as she cast her new love as her co-model for her collection with Puma, where she has been named women's creative director.

'Travis and Rihanna are dating, officially...It's already very serious. He's very into her,' a source told E! 

Rio chic: The Barbadian beauty wrapped her hair up in a scarf and donned a pair of white headphones as she waited to take a helicopter ride to the festival venue on Saturday in Rio

Rio chic: The Barbadian beauty wrapped her hair up in a scarf and donned a pair of white headphones as she waited to take a helicopter ride to the festival venue on Saturday in Rio

Tinted shades: Rihanna hid behind a pair of giant sunglasses and accessorized with gold hoop earrings 

Tinted shades: Rihanna hid behind a pair of giant sunglasses and accessorized with gold hoop earrings 

Tomboy: The star donned a pair of baggy jeans and an oversized black jacket 

Tomboy: The star donned a pair of baggy jeans and an oversized black jacket 

Hitching a ride: Rihanna climbed on board a helicopter to take her to her next destination 

Hitching a ride: Rihanna climbed on board a helicopter to take her to her next destination 

Star-studded: Cara Delevingne stepped out in Rio de Janeiro in jean shorts and a crop top 

Star-studded: Cara Delevingne stepped out in Rio de Janeiro in jean shorts and a crop top 

There he is! Sam Smith was spotted at the Rihanna performance beside the model 

There he is! Sam Smith was spotted at the Rihanna performance beside the model 

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