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12 May 2013, 08:55 | Updated: 12 May 2013, 09:02
The 'Stay' singer's ex-boyfriend Chris Brown also wrote a message to his mum for the special holiday.
Rihanna has posted a lengthy tribute to her mum Monica Braithwaite, thanking her for everything she has done for her, to mark Mother's Day out in America.
The 'We Found Love' singer took to Twitter to post the emotional message to her mother, telling her she has learnt "real strength" from watching her example.
"Her attitude Rihanna, she got it from her mama!!!" Rihanna wrote, to begin her Twitter tribute. "Happy Mother's Day beautiful!! What a lucky little b***h I am to have come from you!
"You showed me real strength, how to be independent, how to love and be loved, not to judge people or their situations, how to forgive, how to learn from every mistake I made," the 'Where Have You Been' singer's post reads. "How to be hospitable, how to do my make-up, cook, clean, not to lower my standards for anything or anyone!"
View a picture of Rihanna out shopping with her mum last year below (Credit: Instagram):
Rihanna then went on to praise her late grandmother Dolly, saying she would be "incredibly proud" of how much Monica has achieved in her life.
"Dolly taught you so well, I can only imagine how incredibly proud of you she is!!" the Bajan star added. "I am who I am because that's all I've known.
"I could never repay you, you're priceless!"
Rihanna's ex-boyfriend Chris Brown also took to Twitter to pay tribute to his own mum, fresh from splitting with Rihanna in recent weeks.
"I wanna praise the woman who created me!" the R&B star tweeted. "Momma Joyce happy Mother's Day. Thank u for always letting me be creative and dream! Love you mom."
The former couple reunited last year to much controversy in the media but 'Fine China' singer Chris sensationally revealed they had parted ways earlier this week.
Rihanna is now believed to have headed back into the recording studio in the wake of the split.