Sunrise star Matt Doran causes chaos during his final day of work at Seven after his shock on-air resignation

Weekend Sunrise host Matt Doran engaged in a hilarious prank during his final day on air  on Sunday.

The breakfast host, 41, took on the role of a roving reporter before signing off for the final time and explored various areas of the studio as Mark Beretta and Monique Wright hosted the show.

At one point, Matt manned the autocue station as his colleagues were talking directly to camera.

'Matt is here and to be honest, we’re a little overwhelmed. This is a moment in history. How do you farewell such a living legend and absolute master?' Monique read aloud as another camera showed Matt furiously typing on the autocue machine.

'He’s so handsome - oh, I see, he’s writing this. He’s clearly superior to me as a journalist. I can’t adequately communicate it in words.'

'In fact, I’m feeling compelled to dance. Hit it, maestro!' she said, before the studio erupted into giggles.

Doran called time on his five years at Weekend Sunrise.

He made the emotional announcement live on air at the end of the show late last month. 

The Seven star recently opened up about his struggles with depression on The Morning Show.

He said he will be taking time to focus on family and to pursue other opportunities. 

'Before we go today, a bit of breaking news from the Doran household,' the host began. 

'I want to share with you a decision I've made, with my beautiful wife Kendall - and of course in earnest consultation with our beloved Italian greyhound Murphy - and this is, after five years at Weekend Sunrise, I will be finishing up at the end of the year,' he said. 

'This is something I've agonised over because it's honest to say this is one of the best jobs on earth, but we think it's right and at the right time - for our little family. 

'While I'm sad, and I'm doing everything possible presently not to look Monique in the eye, where I am right now is honestly a place of incredible gratitude for the laughs, the lessons, the tears.

'It is my unshakeable belief this role - specifically, being entrusted with the telling of people's most intimate, most personal stories - is one of the more privileged positions on the planet.' 

The breakfast show host broke down in tears speaking about his friendship with his closest colleague.

'Mon, you are not just a colleague, you are my best friend and I am going to miss you, any chance of a hug?' he said.

In September - when Matt appeared on Morning Sunrise to spruik his latest book, Mental State, on Australia's mental healthcare system - he bravely opened up about his own struggles with depression.

'Are we getting better, do you think, Doctor, at putting our hand up like you did and saying, "I've got a problem with anxiety"?' Matt asked Dr Cross.

'I've had huge problems with depression over the last couple of years, too, but people, I think, are still frightened to come forward and say that.'

'It's amazing you say that the more we talk about it the better it is,' Dr Cross said, commending Matt for speaking so openly about his depression on television.

Matt has sparked concerns in recent years after he mysteriously disappeared from work on two separate occasions.

In June, he failed to arrive to the Seven studios for work on Weekend Sunrise.

He was replaced by news reporter Chris Reason who returned to host the breakfast show alongside Monique on Saturday, June 8.

A network spokesperson told Daily Mail Australia at the time that Matt was 'on leave'.

A major Channel Seven star has been tipped to replace Doran, after his shock on-air resignation.

Seven's US Correspondent David Woiwod, who is based in Los Angeles, is likely to step into the co-hosting role opposite Monique Wright, according to news.com.au.