Cup Day Diva is a 17 year old mare by Real Jester out of the Umatilla mare, Rattle 'N' Hum. She has had 24 starts for 1 win with the latest start being 4241 days ago when 13th at Bunbury on December 5, 2012 in the Busselton Bldg Products (64) over 1200 metres.