Wet look: The TV presenter has called on the public to reduce their shower time to just three minutes
"If everybody did that in a day you would save... enough to fill 9,000 Olympic-sized swimming pools in one day."
Holly also said the latest Dancing On Ice series had "some of the best celebrities we've ever had".
She added: "The final I think is probably one of the most exciting pieces of TV I've ever seen in my life. Suzanne Shaw was an absolute deserving winner - she won on the night so she was fantastic."
