Still, the 74-year-old former football coach won’t get involved, according to his wife Sandra.
In an exclusive interview with The Sun, the couple talked about how “excited” they were to be grandparents again.
It was revealed in May how former footballer Jamie, 47, would welcome a child with the Swedish model four years after his split from wife Louise in 2017.
Still, Harry confirmed to The Sun that all is well with the exes, who share two sons together.
He said the couple were still in touch with the Eternal singer and the rest of the family, and everything they did was “awesome.”
Yet despite her enthusiasm for the new addition to the family, Sandra joked that Harry wouldn’t be changing diapers.
She joked, “You haven’t done it before! “
Previously, Harry had said how excited he was with the new arrival and told TalkRadio: “I’m really happy, this is great news and I can’t wait, this is an exciting time. “
The I’m A Celeb winner also talked about how much he enjoys taking his grandchildren to football, but he’s sure not to put on his manager’s hat watching them play.
Meanwhile, catwalk star Frida is three months pregnant with her baby with Jamie due in November.
Former England and Liverpool footballer Jamie is already dad to Charley, 16, and Beau, 12, from his marriage to singer Louise, 46.
Frida, 37, has four children from her marriage to US hedge fund manager Jonathan Lourie.
A source said: “Jamie and Frida are absolutely thrilled.
“They were virtually inseparable during the lockdown, and their relationship has only grown stronger.
“The couple started talking to their loved ones about it last week.
“Jamie told his friends he was really excited to be a dad again – less excited about the sleepless nights and the diaper change. But he and Frida will be bright and active parents.
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Meanwhile, Harry and Sandra are now aiming to be more eco-friendly with a new green home in Poole.
Harry admits his generation ‘never thought’ about green energy, but now the couple want to leave a better world for their two children and five grandchildren.
He added: “It’s important, isn’t it? Anything we can do to help the environment, we will, for sure. “
Harry and Sandra Redknapp have partnered with Smart Energy GB to encourage everyone to do their part for the environment, help Britain achieve net zero and build a cleaner and more efficient energy system, all while doing install a smart meter by their energy supplier at no extra charge.