The 24-year-old superstar was left reeling recently after her on/off boyfriend Chris was pictured partying with scantily-clad girls on tour in Paris and enjoying a meal with his ex-girlfriend Karrueche Tran in Dubai and vented her feelings in a note to her fans.
She uploaded a photograph to Twitter of a heartfelt letter, thanking fans for their constant support and telling them to stand up for what they believe in and refusing to be defeated by mistakes and 'curve balls'.
R for rude: Rihanna posted this message on Instagram on Tuesday
The handwritten note contains the lines: 'There's no question that life throws us curve balls, we do our best to deal with them, take the lessons and keep it moving without regrets...
'I look forward to embarking on this ride with you, unwilling to sacrifice what we believe in, taking our lessons and growing from them. Don't let one thing shake your core. Let our inspirations drive us, never steering from who we truly are....'
She also took took to Twitter to vent her feelings, writing: 'Examine what you tolerate', 'Goodbye muthaf*****', 'You give, you get, then you give it the f*** back' and 'Claps for the basic b****** (sic)'
In between posting raunchy images of herself, she followed it up yesterday, musing: 'Never underestimate a man's ability to make you feel guilty for his mistakes.'
Making headlines: Rihanna and Chris in a recent snap posted on Instagram