Kelly Rowland gave birth to son Titan in 2014 and the little tyke has certainly grown up fast.MORE: Beyonce and Destiny's Child had a sweet reunion to meet Kelly Rowland's newborn baby boyIn an adorable new video, the former X Factor judge showcased one of her son's talents, as he displayed an impressive impersonation of the late naturalist and TV presenter Steve Irwin.The star recorded her son in his bedroom, which is sure to be the envy of many a child around the world, as it featured an