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New dad Wills took the drastic action as his son is waking him and Princess Kate six times a night.

But his Chris Martin impersonation has not gone down well with everyone.

A royal insider said: “William had no idea it would be this tough.

“He’s using a bizarre tactic of belting out Coldplay anthems at all hours of the night even though he can barely hold a note.

“It’s even keeping Kate’s parents awake.” The source added: “His favourite song is Paradise and he also loves doing Yellow.

“Coldplay aren’t even his favourite band, but George responds to their songs the most and settles back down.”

Wills and Kate, both 31, decamped to the Middleton family home in Bucklebury, Berks, the day after George was born last week.

The insider said: “Wills is shattered by the morning so he heads to bed for a couple of hours and Kate springs back into action along with her parents.”