Published Tuesday, 10 June 2014
The former Destiny's Child singer is known for her slim figure and frequently shows off her abs in revealing stage costumes.
However, she raised eyebrows at the Rhythm on the River festival in Oklahoma on Saturday, when she donned a crop top and teamed it with high-waisted, baggy trousers, prompting some fans to speculate that she is with child.
Rowland has yet to comment on the rumours, which emerge a month after marrying her manager Tim Witherspoon in a private ceremony in Costa Rica.
Fellow R&B beauty Ciara pulled a similar fashion stunt late last year as she tried to conceal her growing baby belly as she performed while pregnant. She gave birth to son Future Zahir Wilburn with her rapper fiance Future last month.