X Factor's Tulisa Contostavlos has admitted that she was worried about Louis Walsh after one of the acts lashed out at the judge.
Earlier this year, it was reported that Pink impersonator Zoe Alexander broke down on stage after being rejected by the panel.
She had a tantrum and pushed a cameraman and producers.
Speaking about the young singer at the press launch, Tulisa said: "I didn't fear for my safety. I feared for Louis's.
"She seemed like a tough cookie and out of all the judges, I thought Louis was the one who probably needed defending."
Meanwhile, the Irish music manager claimed that he was stunned by the singer's behaviour.
He said: "We were nice to her! She came out looking like Pink and she sang a Pink song."
The X Factor returns to STV on Saturday at 8pm.
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