To mark the momentous milestone, Lisa took to Instagram to share a stunning flashback from their special day, back in 1992.
"25 years ago today," the Today host penned alongside a black and white photo of them as newlyweds.
"Couldn't be more in love or grateful for the family we've built together... Happy anniversary sweetheart."
Lisa’s hubby showed off his trademark humour by sharing his wife’s post and captioning it, "What she said, but double!"
Fans, friends and loved ones were quick to show their support for the pair.
“Happy Anniversary to an awesome couple you haven't changed Lisa still gorgeous,” one person wrote.
Home and Away star Kate Ritchie gushed, "What an achievement @lisa_wilkinson Congratulations!"
Celebrity chef Nigella Lawson remarked, "Love to you both!"
While American actor Jonathan Ward shared his joy for being a part of Lisa and Pete’s special day.
"Lisa darling I cannot believe it has been 25 years since I made your dress," he wrote.
"You’re still amazing and so happy for you and Pete on celebrating a great marriage and friendship together lots of congratulations and love to you both Jono xxx."
The 57-year-old TV presenter couldn’t spend her silver anniversary with Pete as she’s on the road.
Though she did speak fondly about that magic day all those years ago… And it sounded like a comedy of errors!
"I just about killed my bridesmaid, Liz Hayes, when I handed her [the bouquet] and she had mine and her bouquet at the alter," Lisa laughed.
The 60 Minutes reporter, who was Lisa’s roommate at the time, introduced the media power couple to each other.
Three months later they were engaged.
"We didn't muck around," Peter, 56, told Mia Freedman on her podcast No Filter last year.
"It just felt right. It didn't feel hard. It was a Sunday night, and I said: 'I'm tired of this, will you marry me?' And she said: 'Yes, I will marry you.'"
They tied the knot six months later, and three months after that Lisa was pregnant.
These days the couple are the proud parents to their three kids Jake, 24, Louis, 22, and Billi, 20.
Lisa has always been very honest about the work it takes for a long-lasting marriage.
Last year she reflected, “You just work out the things you love about someone."
"And you work out the things that absolutely give you the s--ts about someone … and you ignore those."
"You just have to!"
Congrats, here's to the next 25!