Crash Test Dummy on The Masked Singer Australia is REVEALED to be iconic Beverly Hills, 90210 star – and you’ll never guess who it is

The identity of Crash Test Dummy on The Masked Singer Australia has been revealed.

During Monday night’s premiere episode, the mysterious celebrity was unmasked as Brian Austin Green from the iconic ’90s series Beverly Hills, 90210.

After taking off his mask, the 50-year-old actor left judges Melanie Brown, Abbie Chatfield, Dave Hughes and Chrissie Swan stunned, with none of them able to guess his identity.

The judges’ final guesses included singers Nick Carter and Niall Horan, track and field athlete John Steffensen and Donnie Wahlberg of New Kids On The Block fame.

Crash Test Dummy took on Cowgirl, Space Fairy, Bad Avocado and The Grim Reaper during the episode.

The identity of Crash Test Dummy on The Masked Singer Australia has been revealed

During Monday night's premiere episode, the mysterious celebrity was unmasked as Brian Austin Green from Beverly Hills, 90210. Pictured

During Monday night’s premiere episode, the mysterious celebrity was unmasked as Brian Austin Green from Beverly Hills, 90210. Pictured

He finished alongside Bad Avocado in the bottom two before the announcement was revealed that shocked the nation.

“How did we not guess that,” Mel B said at the unveiling.

‘I’m going crazy. I have never missed an episode of Beverly Hills 90210,” Chrissie Swan said.

The fifth season of The Masked Singer Australia is creating a whirlwind of excitement online.

There is a lot of buzz on social media platforms that Jackie ‘O’ Henderson, who has been a panelist for the past few seasons, is hidden beneath one of the extravagant Tim Chappel-designed costumes.

In addition to these speculations, there are rumors that Mischa Barton, the iconic star of The OC, may be one of the ten celebrities to grace the show.

After taking off his mask, the 50-year-old actor left judges Melanie Brown, Abbie Chatfield (pictured), Dave Hughes and Chrissie Swan stunned, with none of them able to guess his identity.

After taking off his mask, the 50-year-old actor left judges Melanie Brown, Abbie Chatfield (pictured), Dave Hughes and Chrissie Swan stunned, with none of them able to guess his identity.

'I'm going crazy.  I've never missed an episode of Beverly Hills 90210,

‘I’m going crazy. I’ve never missed an episode of Beverly Hills 90210,” said Chrissie Swan (pictured).

The fifth season of The Masked Singer Australia is creating a whirlwind of excitement online.  There is a lot of buzz on social media platforms that Jackie 'O' Henderson (pictured), who has been a panellist for the past few seasons, is hidden under one of the extravagant costumes.

The fifth season of The Masked Singer Australia is creating a whirlwind of excitement online. There is a lot of buzz on social media platforms that Jackie ‘O’ Henderson (pictured), who has been a panellist for the past few seasons, is hidden under one of the extravagant costumes.

There are rumors that Mischa Barton, the iconic star of The OC, might be one of the ten celebrities to grace the show.  Pictured

There are rumors that Mischa Barton, the iconic star of The OC, might be one of the ten celebrities to grace the show. Pictured

Amber Riley, known for her role in Glee, stands out as the top pick after Snow Fox's segment delivers a moving rendition of Avicii's Addicted

Amber Riley, known for her role in Glee, stands out as the top pick after Snow Fox’s segment delivers a moving rendition of Avicii’s Addicted

In addition to guesses like Jackie O and Mischa Barton, fans of the show have been flooding promotional videos on Instagram with their thoughts.

Amber Riley, known for her role on Glee, stands out as the top pick after Snow Fox’s segment delivers a moving rendition of Avicii’s Addicted.

“It’s Amber Riley, it must be!” wrote one comment on Instagram, while another claimed it was “definitely Jess Mauboy.”

Despite the creepy costume, many fans believe the Grim Reaper’s identity is that of Darren Hayes, former frontman of Savage Garden.

Meanwhile, many fans are divided between the Bad Avocado and Space Fairy, with some believing that Tones and I are one or the other.

The Masked Singer continues Mondays at 7.30pm on Channel 10

Many fans are divided between the Bad Avocado and Space Fairy, with some believing that Tones and I (pictured) are one or the other

Many fans are divided between the Bad Avocado and Space Fairy, with some believing that Tones and I (pictured) are one or the other