It’s been billed as the All-Star season of The Voice, where singers get a second chance at the ultimate glory of winning the top prize.
But it’s not just past Voice favourites who are back for more.
If you have been doing a double take every time some of these singers take to the stage, it’s not your eyes that are deceiving you – you have seen them before.
From competing against the likes of Casey Donovan and Guy Sebastian on Australian Idol to hitting the high notes on The X Factor, some of these contestants are well-versed in what it’s like to take part in a talent show.
Scroll through to see where you’ve seen your Voice favourites before…
Sheldon Riley The Voice 2019
Sheldon Riley – The Voice 2019
Part of Team Delta, Sheldon was wowed the coaches with his impressive voice and unique style.
Sheldon riley the voice 2018
Sheldon Riley – The Voice 2018
And the All-Star contestant has a point to prove after placing third in last year’s season of The Voice (pictured with Joe Jonas at the Blind Auditions).
X Factor Sheldon Riley
Sheldon Riley (Hernandez) – The X Factor 2016
Then known as Sheldon Hernandez, the singer also had a crack at X Factor.
The Voice Jack Vidgen
Jack Vidgen -The Voice
Jack Vidgen’s appearance on The Voice was one of the most hotly anticipated returns to reality TV.
WATCH: The controversial moment Guy Sebastian picks Jack Vidgen over Chriddy Black. Post continues after video…
Guy Sebastian picks Jack Vidgen over Chriddy Black on The Voice
Jack Vidgen AGT
Jack Vidgen – Australia’s Got Talent
Way back in 2011, Jack had won Australia’s Got Talent before hitting a rough patch which he described as “hitting rock bottom”.
Rebecca Selley – The Voice
Rebecca Selley has made headlines this year for revealing her pregnancy on The Voice.
Rebecca Selley Australian Idol
Rebecca Selley (Tapia) – Australian Idol
Rebecca also competed on the first season of Australian Idol in 2003 – which was ultimately won by current Voice coach Guy Sebastian.
WATCH: How times change! See Rebecca performing in 2003 on Australian Idol. Post continues after video…
The Voice’s Rebecca Selley performs on Australian Idol
lee harding the voice
Lee Harding – The Voice
Stepping out on The Voice stage, Lee Harding looked every bit the rock star.
Lee harding australian idol
Lee Harding – Australian Idol
It’s a far cry from his Australian Idol days in 2005 when Lee (pictured with Shannon Noll) placed third and released number one hit Wasabi.
Madi Krstevski The Voice 2019
Madi Krstevski – The Voice 2019
Just 19, Madi Krstevski has been giving it her all to be the last person standing on The Voice.
Madi Krstevski The Voice 2018
Madi Krstevski – The Voice 2018
Last season, her dream was cut short when she lost the Battle round to rival Aydan Calafiore (pictured).
diana rouvas the voice 2019
Diana Rouvas – The Voice 2019
Diana Rouvas is unstoppable on the current season of The Voice.
diana rouvas the voice 2012
Diana Rouvas – The Voice 2019
And the All Star was just as impressive back in 2012 in the first season as part of Team Keith.
Chynna Taylor The Voice
Chynna Taylor – The Voice
Chynna Taylor is one to beat on The Voice’s Team Guy.
Chynna Taylor x Factor
Chynna Taylor The X Factor
And her coach Guy is a familiar face for Chynna, as she also auditioned for The X Factor in 2016 when Guy was a judge.
Carlos Velazquez The Voice 2019
Carlos Velazquez – The Voice 2019
It’s not Carlos Velazquez’s first rodeo on reality TV and his performances are always on point.
Carlos Velazquez The Voice 2014
Carlos Velazquez – The Voice 2014
The All-Star also made an impression back on Team Ricky on The Voice’s 2014 season.
Carlos Velazquez Australian Idol
Carlos Velazquez Australian Idol
As a fresh-faced singer way back in 2004, Carlos also enjoyed a stint on season two of Australian Idol, with Casey Donovan ultimately being crowned winner.
WATCH: See a young Carlos audition for season two of Australian Idol way back in 2004