France's show jumping rider, Olivier Guillon has sold his top horse Serise du Bidou (by Gin Tonic Star) to USA's Alison Firestone. Firestone will debute with her new horse at the upcoming Winter Equestrian Festival in Wellington, Florida. Guillon and Serise du Bidou concluded a very successful 2016. The combination won the international Grand Prix in Lyon and Le Mans. In 2014 the combination started their first international appearance. In 2016 Guillon and Serise jumped together over 60,500 euro in earnings. The mare is the niece of Katie Dinan's Tarioso Manciais (by Arioso du Theillet), who was before competed by Pius Scwhizer.