Caught in the moment: Aidan Rodley.Caught in the moment: Aidan Rodley.

Like any good horseracing fan, Aidan Rodley celebrated a major win in hysterical fashion.

What the TAB Trackside presenter did not know was that he was being filmed during his moment of extreme excitement.

He was watching Kiwi horse Mongolian Khan win the biggest 3-year-old race in Australia, the $2 million Australian Derby.