Kelly Clarkson broke down in tears during her performance on Thursday's American Idol.

The pregnant 33-year-old, who's seven weeks away from giving birth to her second child, choked up while singing "Piece By Piece."

Kelly's performance was so emotional she even had AI judges Jennifer Lopez and Keith Urban in tears!

After her performance, Kelly apologized for crying!

"I'm pregnant and nostalgic and I can't believe it's the last season and yeah, really sorry I just bawled," she said.

No need to apologize, Kelly! You were awesome!

Watch the E! News video above to see Kelly's performance!

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