Singer and "X Factor" judge Kelly Rowland flashed a huge rock while wishing songwriter-producer pal Patrick "J. Que" Smith's kid a happy birthday via Instagram.

When she raised her left hand to blow the child a kiss, there it was, a diamond ring on her wedding finger.Rowland is said to be dating manager Tim Witherspoon.

They were spotted leaving a Los Angeles café together last month and have reportedly been seeing each other on and off for four years.