The 25-year-old was spotted gleefully riding a series of towering roller coasters at an amusement park in Copenhagen, Denmark, just hours before she was due to perform at the Roskilde music festival, on Thursday.
The Diamonds (In The Sky) singer was clearly having the time of her life as she flashed an irrepressible grin whilst strapped into the mechanical rides that soared to skyscraper heights.
Getting high: Rihanna could not contain her smile as she rode a roller coaster in Copenhagen, on Thursday
While seated in one ride, the Daemon, she could clearly be seen closing her eyes in elation as she sported an Adidas athletic top.
Keeping her long dyed locks out of her face, the pop star wrapped her head in a kerchief as she dangled her feet in a pair of hight top trainers.
Having a ball: The 25-year-old was clearly excited as she was flung into the air while strapped in a mechanical ride
The contraption is a well-known children's amusement at Tivoli, called The Little Dragon, and the pop singer showed she's still just a kid at heart as she seemed to be squealing while seated in the ride.
Throughout the day of fun, a security detail could be seen escorting her to the various amusements as she sported sunglasses and a bright shade of lip gloss.
Choo choo fun: The Barbadian pop star wore a bandana as she got strapped into a train roller coaster
After the Roskilde performance Rihanna will then be appearing in Poland for a series of concerts before heading to Vienna on July 9, for her Diamonds world tour.
Meanwhile, the star has just come off the heels of a fun-filled tour of Amsterdam.
Make way! A security detail escorted Rihanna to various rides in the Tivoli garden amusement park
Prior to entering the Dutch capital she posted a provocative tweet in favour of legalizing marijuana.
The superstar - who had been performing in Ireland - posted a picture on Instagram which showed her smoking a rolled up cigarette with '#legalizeit' written below the image.
Rihanna then moved on to Amsterdam where she posted new Twitter images of herself holding two huge cigarettes that looked like joints.
Fun before work: The singer enjoyed her day of amusement just hours before she was due to perform at the Roskilde music festival
Rihanna is no stranger when it comes to controversy over pot smoking - back in April she celebrated 'US weed day' by posing with four girlfriends on bicycles.
As she sat beside her friends smoking another rolled up cigarette the Barbadian crooner wrote 'Our ~420 #clique' referring to the day which was founded by a group of High School students in 1971.
In Amsterdam: Rihanna posed with two suspicious looking rolled-up cigarettes in late June
