Sir Elton John has spoken of his "indescribable" joy at becoming a father.
Sixty-three-year-old John and his partner David Furnish become parents on Christmas Day through a surrogate mother.
They named the child Zachary Jackson Levon.
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The star told OK magazine that he was present at the birth and revealed that he found the whole experience overpowering.
"He shot out like a rocket. There just aren't proper words to describe that feeling. It's indescribable. It was just, 'We have a son!'"
He also spoke about holding his son for the first time, saying:
"I've never felt anything like it in my life. You're so awestruck; I will never forget that feeling ever."