Read on to find out why.
A DNA paternity test revealed that Birkhead was the real father, though, as stated byCelebrity Net Worth.
However, after Daniel Smith died, Anna Nicole Smith changed the name to Dannielynn Hope Marshall Birkhead.

In 2007, Dannielynn obtained the last name Birkhead, after Larry Birkhead was named her biological father.
Magazineabout the change, saying “I don’t want to change anything else.
“Like when she watched ‘Stranger Things’ and ‘The Umbrella Academy.’

If she does anything, it will be on her terms.
She’s determined to be her own person.”
She understands her mom was a model, and she appreciates that.”

It’s like portraying a new person.
It’s fun."
