Sarah "Sasoun" Guyard-Guillot (French pronunciation: [sa.ʁa sa.sun ɡi.jaʁ.ɡi.jo]); (September 12, 1981 – June 29, 2013) was a French acrobat and aerialist who fell to her death during a performance of the Cirque du Soleil show Kà at MGM Grand in Las Vegas, Nevada, on June 29, 2013.