And the Mysterious Girl singer shared a heartbreaking tribute to his sibling on social media.
Taking to Instagram, the dad of four posted a tragic cartoon with fans, alongside a devastating quote.
“Siblings will take different paths and life may separate them,” it read. “But they will forever be bonded by having begin their journey in the same boat.”
“Miss you every day my brother,” he captioned the sweet shot.
And his 729k followers rushed to comfort the I’m A Celebrity star over his upload.
“My thoughts and prayers are with you all during this sad memory. May your brothers soul keep resting in peace. Stay strong sweetz @peterandre xx,” one said.
Peter Andre carries his youngest children Amelia and Theo on holiday [Instagram]
“He is always with you mate , he lives on in your heart and mind xx,” another posted.
“Always missed but forever in your heart,” a third replied.
While a fourth added: “Awwww Pete so sorry mate xx @peterandre know you must miss him terribly.”
Andrew passed away five years ago, following a battle with kidney cancer.
And Peter recently opened up about his biggest regret over his late brother.
“If I could turn back time my wish would be to spend another Christmas with him,” Emily Andrea ’s husband explained.
“We were never able to spend Christmas together as we were never in the same country at the same time. The only year we did was the year Andrew sadly died.
“He’s always in my thoughts but especially at this time of year.”