The 42-year-old was wearing a cleavage revealing dress. Live on TV while the judges were critiquing Arisxandra's performance, the camera panned around to Holden who revealed a little too much.
Amanda's nipple wasn't the only thing to make a surprise appearance on last night's final. Simon Cowell and the other judges were pelted with eggs during a performance, too.
Amanda said at the time "The only person with egg on their face was that stupid cow."
SIMON COWELL PELTED WITH EGGS DURING BRITAIN'S GOT TALENT FINAL
GOSSIP MILL: SHARON OSBOURNE "LOVED" NEWS OF TULISA DRUG ARREST?
EVA LONGORIA RECOVERS FROM FULL FRONTAL FLASH IN BLACK SEQUINS AT CANNES