Sources tell TMZ RiRi is suffering from a throat infection, but the lack of communication from her camp has spurred talk that she may have a bump in the oven.
She did tell Elle UK magazine’s April issue that a child is part of her future plans. "I will probably have a kid… and I'm praying I can go on vacation for a good month."
Rihanna reunited with ex-boyfriend Chris Brown in January, but they reportedly split again in April to focus on their careers and business ventures.
Superstar Rihanna is the subject of pregnancy rumors after she canceled another concert Monday in Houston -- the fourth show the "Diamonds" singer has dumped on her world tour, which kicked off March 8.