Regardless, it appears the Australian public are demonstrating their waning patience via the TV remote.
The re-vamped series boasting the addition of coaches Kelly Rowland and Boy George debuted at the top of the ratings this year.
The Logie winner's seductive chair dancing and button-teasing methods have been described as 'bulls**t theatrics' by fans.
The 54-year-old insisted he couldn't understand the harsh jibes and said she's continued to improve as a coach.
The source added: 'He's been going all-out to woo her and sweep her off her feet with romantic dates and lavishing her with expensive gifts - including a stunning ring she was sporting at the JP Jones X Camilla Franks fashion event earlier this month.'Despite the claims, Seal and Delta have never publicly confirmed rumours that they are an item.
During fellow teammate Judah Kelly's pre-show coaching session, footage showed Delta greeting him with a polite hug.
Meanwhile, Wings singer Delta made headlines for her romances with stars such as Brian Mc Fadden, Nick Jonas and Mark Philippoussis.
Ever since The Voice Australia's Tim Conlon presented Delta Goodrem with a rose during the blind auditions, fans have joked on Twitter about a possible romance.
” While Delta and Seal have never publicly confirmed their relationship, sparks have been flying between the pair since they first appeared together on The Voice in 2012, with Delta saying of the dad-of-four, “I love Seal to bits”.
Meanwhile, he admitted recently it’s Delta’s “vulnerability” that he finds so attractive.