HER raunchy posters have already come under fire from 'modesty police', but all eyes will be on Rihanna's performance and behaviour at the Dublin concert on Friday.
RiRi (25) has been testing her fans' patience by being late for several concerts in the US and the UK.
The Umbrella singer was branded "unprofessional" by followers after she was more than two hours late for a show in Birmingham earlier this week.
The wild child was partying hard with model Cara Delevingne (20) right through the early hours of Monday morning.
And she left fans waiting until after 10pm to see her show in the LG Arena in Birmingham.
The Bajan beauty was also slammed by fans and critics after a "bored" show in London last weekend, following another night of hard partying.
One critic reviewing her gig said "at times Rihanna even appeared a bit bored, as you might expect from someone who's rattled off seven albums in as many years and tours relentlessly".
"Rihanna wasn't the most vigorous performer and she looked dead-eyed during the dreary Numb," the London Standard said.
However, it did add: "The show was ultimately saved by the slick production values and capable band, several key hits and some diverting costume changes, including a sheer top, embroidered satin shorts and thigh-high boots as well as a garish bustier and leggings combo."
Still, one fan accused the star of "not caring about her fans".
And last month the We Found Love singer was booed off stage in Boston after she was over three hours late – reportedly because she wanted to watch a basketball game backstage.
Rihanna will bring her Diamonds tour to the Aviva Stadium in Dublin this Friday night.
The posters for her concert have been modified by someone keen to protect her dignity.
One of the images shows a topless Rihanna's modesty saved only by her elbow and logo. But in Dublin, an anonymous individual stapled a plastic sheet over her entire body.
It's not the first time Rihanna's raunchiness has come under the spotlight in Ireland.
A local farmer in the North hit the headlines when he banished Rihanna and her film crew from his land while they were filming the video for hit song We Found Love.
Meanwhile, friends of Rihanna have said they are concerned for her wellbeing in the wake of the breakdown of her relationship with Chris Brown.
The R'n'B star broke it off with Rihanna, saying that he needs "to be the best Chris Brown he can be".
Photos emerged last week showing Chris snuggling up to his ex-girlfriend, Karrueche Tran.
The images have reportedly made Rihanna consider seeking professional help for her heartbreak.
"It's like she's obsessed with him and, although he's told her it's over, she just can't get over him," a friend said.