Gisella Colleti, a Perth teenager, competed in the Australian Idol 2025 grand finale against Iilysh Retallick and Marshall Hamburger, with her family and loved ones showing strong support at a local pub. Despite a stunning duet with Tina Arena and a memorable performance of Irene Cara’s song, Gisella was eliminated before the final two, but has already received an invitation to perform with Arena on her upcoming tour. Marshall Hamburger emerged as the winner, receiving a cash prize and a record deal, while Gisella’s family expressed immense pride in her accomplishments and talent.
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