Now The Voice coach is spilling the beans on her short-lived romance with the original Australian Idol.
During a chat with KIIS FM‘s Kyle and Jackie O on Thursday, Delta admitted that the man with the fro was a “good kisser.”
The 30-year-old songstress was prompted to play a quick-fire game of Yes or No where she was asked, “was Guy Sebastian a good kisser? “
After replying with a resounding, “yes,” she quickly added, “Long time ago, guys.”
The good-natured Aria-winner laughed about her memory of Guy breaking the news that they were an item to the country, ‘I was like, “Well, that happened,” she revealed.
Delta also confessed that she wasn’t on the dating app, Tinder, which is probably a good thing since she is dating DJ Chris Stafford.
The radio show managed to get Australia’s golden girl to surrender information about her life, including that she’s had a secret relationship with a celebrity.
The 30-year-old also admitted that she has been cheated on before, and she’s never smoked- because she’s sporty.
Earlier this year, fans were shocked when the father-of-two confessed on the same radio show that he once dated Delta.
“A long time ago when I’d just won Idol, I dated my [hall] pass believe it or not,” the father-of-two said at the time.
“No-one knew for four months. It was nothing serious – we were just hanging out,” he added. However, the Eurovision star of course went on to marry his long-time love Jules Sebastian in 2008.
And it looks like Delta has legion of crushes including hugely-popular singer, Ed Sheeran.
“She was a really good songwriter and a really good singer and it didn’t hurt that she wasn’t that ugly,” the 24-year-old ‘confessed up to The Daily Telegraph.
Can you imagine the hit songs these three could create if their love blossomed? Oh, what could have been!