kelly rowland tim witherspoon

Tim Witherspoon and Kelly Rowland

*Kelly Rowland has sparked rumors she’s about to marry her boyfriend Tim Witherspoon after showing off a diamond ring on her wedding finger during an online video.

The singer and “X Factor” judge has reportedly been dating her manager for several years on the down low.

On Friday (Nov. 15), she posted on Instagram a birthday message for the son of her producer friend Patrick “J. Que” Smith, and as she blew him a kiss, viewers noticed a huge diamond band on her ring finger – setting the rumor mill in motion. [See pic below.]

kelly rowland ring
Rowland was previously engaged to NFL player Roy Williams in 2004, but they called off their wedding the following year.