At just 17 years old, Gisella Colletti has already carved out a reputation as one of Australia’s most fearless and soulful new voices, captivating hearts across the nation through her Australian Idol performances in 2025.
Hailing from Perth, Western Australia, she has been singing since childhood, but her big break came when legendary performer Marcia Hines plucked her from obscurity, personally inviting her to audition at her concert in front of a packed auditorium. From that moment, Gisella earned glowing praise week after week for her powerhouse vocals.
Freshly graduated from high school, Gisella is now stepping confidently into the next chapter of her career as singer / songwriter. Her debut single, an emotional pop-R&B ballad, was released in October 2025, with its live premiere on Telethon (Channel 7), marking the start of her journey as an artist in her own right.
ABOUT GISELLA
Gisella Colletti TOP 3 AUSTRALIAN IDOL
Gisella was the first person in Idol history to be given a Golden ticket straight into the TOP 30 by Marcia Hines without the other judges Kyle Sandilands and Amy Shark’s joint decision. She was discovered by Marcia Hines and invited to audition at her Perth concert.
Gisella had multiple iconic performance moments such as “Without You ” and “Defying Gravity ”. Her videos went viral online accumulating close to 10m views.
Gisella made it all the way to the Finale coming third overall next to iilysh Retallick and Marshall Hamburger.
TINA ARENA
Gisella Colletti sharing the stage for the first time with Tina Arena in the Grand Finale. She later invited Gisella to join her on Tour for her first show of her “Dont Ask..Again’’ concert.
Tina invites her fans to get to know Gisella Colletti through this Live recorded chat posted to her Youtube.
HIGHLY ANTICIPATED DEBUT SINGLE
“Good Enough” — a powerful and emotionally charged pop ballad — marks a bold introduction to Gisella’s artistry, offering a glimpse into the raw vulnerability and vocal prowess that has defined her journey so far.
Gisella’s New Single “Good Enough” Is an Honest Anthem of Self-Acceptance and Personal Growth.
The highly anticipated single, “Good Enough” , offers a raw and empowering reflection of the struggles she faced in the public eye, her personal battle with self-doubt, and the scrutiny of social media. Born from a deeply personal place, the song encapsulates the artist’s vulnerability and resilience.
I want listeners to not just hear my voice, but to connect with my story, I’m channelling my experiences into something positive, and I hope it resonates with anyone who ’ s ever questioned their own worth.”
-GISELLA
“As the emotional comedown from Australian Idol hit, it was one of the toughest challenges I’ve ever faced, It was through those feelings of doubt and vulnerability that ‘Good Enough’ was born, ”
A VOICE FOR CHANGE
Gisella is a National Champion of Dolly’s Dream. Her passion to the foundation came after her return from Australian Idol and her own experiences with online bullying.
Gisella has a passion to help with changing the culture of bullying by addressing the impact of bullying, anxiety, depression and youth suicide, through education and direct support to young people and families.
Returning in 2025, GISELLA debuted her new single “Good Enough” Live on Channel 7 while also performing along side many star performers such as Rob Mills, Casey Donovan, Dami Im and Ronan Keating.