By Alexis Tereszcuk - Breaking Celebrity News Entertainment Editor

The cat claws came out!

Clay Aiken, the former American Idol runner-up, has dissed the baddest girl in pop music – Rihanna, and Breaking Celebrity News has video of his put down.

Appearing on Bravo’s Watch What Happens Live with Andy Cohen on Tuesday, Aiken was playing the game Plead the Fifth when he was asked which pop singer wouldn’t make it past the first round of American Idol.

“There are too many,” the 33-year-old Celebrity Apprentice alum said.  “Too many. I stopped listening to them ‘cause they can’t sing. I’m not going to plead the 5th I just gotta think for a second.”

He then ripped RiRi.

“Rihanna has some pitch problems for sure,” he said.

On Twitter Wednesday morning Clay re-tweeted this comment: “Perhaps I'm too nostal