London, Aug 1 (Inditop.com) Hollywood actor Jude Law has insisted on a DNA test before announcing the news about his fourth baby, his first from his girlfriend Samantha Burke, an aspiring actress and Florida model.

The actor wanted to make absolutely sure the unborn baby was his before going public with the big news.

“Jude and the mother of the child had a DNA test done to prove that Jude was without a doubt the father,” femalefirst.co.uk quoted a source as saying.

Law, who has three children with ex-wife Sadie Frost met Burke during Christmas in New York while working on the new movie “Sherlock Holmes”.