We’ve been toiling long and hard to determine which celebrity fights have had the most impact on our society, and tonight, the results are in. VH1 premieres the 40 Greatest Feuds tonight at 7 p.m. ET/PT. Watch as we count down the biggest arguments, online squabbles, and physical altercations throughout the years…It all leads up to one, final blowout. Can you guess who’s at number one?
[Photos: Getty Images]