The Biggest Celebrity Feuds That We Haven't Let Go Of Yet

Sinead O'Connor & Frank Sinatra

Sinead O'Connor has a rule about not allowing any national anthems to be played before her shows, and when Frank Sinatra played the same arena the following night, he sang the national anthem and said "I'd like to kick her in the a--!" She later told Esquire Mag in 1991 that "I can't hit this man back, he's like 78 years of age, and I'd probably kill him."

The More You Know

The word "muscle" comes from a Latin term meaning "little mouse."
Great white sharks are so scared of killer whales that they'll avoid an area for up to a year after spotting one.
You make approximately a teaspoon of tears per hour.
Yosemite means "those who kill."

Post originally appeared on Upbeat News.