OMG THIS IS SO FREAKIN' CUTE!!! After his stellar debut on Dancing With The Stars had viewers declaring the show should go ahead and give him the Mirrorball Trophy now, we're sure Robert Irwin's dance card is filling up fast. But his next partner? His 4-year-old niece! Video: Hilaria Baldwin Caught Lying In Response To Julianne Hough's Claims! In an absolutely adorable Instagram video, the hunky zookeeper shows a few of the moves he's learned to sis Bindi Irwin's precious daughter, Grace Warrior Irwin Powell, as mom cheers them on.