Guy Sebastian will make an appearance on The Block this week

Guy Sebastian is set to be the next big star to take over the set of The Block this week. Singer to make an appearance on renovation series this week The singer is the latest celebrity to visit the Melbourne set, with fellow The Voice coach Kylie Minogue starring on the show earlier this year. Comedian Dave Hughes also made headlines by dropping into the St Kilda site last week, sparking speculation he was going to buy another property on The Block after purchasing one last year. Spinning around: Guy is the latest celebrity to make an appearance on the program, with fellow The Voice coach Kylie Minogue starring on the show, earlier this year The 48-year-old radio host recently took to Instagram to share a photo of himself with this season's Block contestants, Andy and Deb, revealing he had inspected their newly renovated home. Comedian Dave Hughes also made headlines by dropping into the St Kilda site last week, sparking speculation he was going to buy another property on The Block after purchasing one last year The townhouses are just weeks away from going to auction.