Amanda Bynes calls out Rihanna on Twitter

Credit: Zap2It

Via: Zap2It

Not content to simply be a passenger on the Hot Mess Express, but determined to become its conductor, Amanda Bynes continues her 2013 Self Destruction Tour by taking to Twitter to slander Rihanna, of all people.

"You look so ugly tryin to be white," Bynes tweeted to the popular singer. "Chris Brown beat you because you're not pretty enough." Bynes would go on to write, "No one wants to be your lover so you call everyone and their mother that I almost named my new dog Rihanna." Bynes has since deleted the offending tweets.

Rihanna didn't directly respond to Bynes. Instead, she simply tweeted...

Ya see what happens when they cancel Intervention?

— Rihanna (@rihanna) May 26, 2013