Sesellie is from Boerne, Texas and has been riding horses since she was very little. Her first show was when she was only 3 years old and competed in a Lead Line class. Since then, she has continued to show working up to walk-trot classes. When she was seven, she showed at the Houston Livestock Show in the Palomino division and won the High Point and 8 belt buckles. She continued showing in open shows in the loping classes. She competed in halter, showmanship, western pleasure, western horsemanship, English equitation, trail, barrels, and pole bending. She won Grand Champion Gelding in the AQHA show at the San Antonio Stockshow in 2017. Sesellie is the western team captain at Schreiner and will be competiting at IHSA in the western classes and hopes to make it to the national championships.