Rumours are rife on what The Sun calls 'reputable US news websites' that the star is pregnant by boyfriend Chris Brown.
The whispers started after Rihanna cancelled a string of dates on her Diamonds world tour, complaining that she was ill.
The 25-year-old was then spotted making several trips to a doctor's office in Los Angeles, wearing loose fitting hoodies. Last December, Rihanna revealed she was feeling broody after reuniting with her ex.
She told Elle magazine: "In five years, we'll probably have a kid. Now that we're adults we can do this right. We got a fresh start and I'm thankful for that."
However, like all good rumours, there has to be a denial and thus an insider has told HollywoodLife.com that Rihanna is 'just sick' adding, 'sorry, not this time. She's not pregnant!'
And the celebs who definitely are...
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