Amanda Bynes To Rihanna: 'Chris Brown Beat You Because You're Not Pretty Enough'

May 26th, 2013 2:30pm EDT

Amanda Bynes

Amanda Bynes just inexplicably railed on Rihanna on Twitter, saying Chris Brown beat her because she's ugly ... but RiRi got the last word and it was AWESOME.

Bynes tweeted -- and quickly deleted -- "@rihanna Chris Brown beat you because you're not pretty enough."

She followed that up with another insult -- about wanting to name her dog Rihanna. It's unclear what set her off.

RiRi clearly got wind of the deleted tweets, because she just posted the BEST COMEBACK EVER:

Ya see what happens when they cancel Intervention?

— Rihanna (@rihanna) May 26, 2013

Don't mess with RiRi.

Related: Amanda Bynes, Chris Brown, Rihanna, Celebrity, Twitter, Dumbass, Feuds

Photo Credits:; TMZ

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