The clinical neuropsychologist starred on the popular dating show from when it first hit TV screens in 2015 until her departure in 2020.

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Trisha’s MAFS colleague, fellow original expert John Aiken, announced her death on Instagram.

“I’m heartbroken and devastated that my friend and dear colleague Trisha has passed away,” he wrote alongside photos of himself with Trisha.

“We shared an amazing seven seasons of MAFS together.

“She loved everything New Zealand, relationships, the All Blacks, the Black Caps, French wine and travelling the world. I’ll miss you, Tish.

“Thank you for all the memories.”

Channel Nine said the network was “deeply saddened” to hear of Trisha’s death.

“Our sincerest condolences and heartfelt sympathies go out to her family and those closest during this difficult time,” the spokesperson said.

Trisha’s cause of death is unknown.