Couple reveal surprise adoption to family

A US couple unable to have children of their own surprised their family by secretly adopting a baby and filming the moment each relative was introduced.

After years of infertility and a previously failed adoption, Lacey and Banks Farris decided to keep their bid have a baby under wraps.

When the couple were finally able to adopt a newborn girl at birth they could not contain their excitement.

Armed with a camera and their new daughter Finley, the couple knocked on the doors or all of their friends and family to capture their priceless reaction.

The Farris' video has been well received since being posted to Youtube and has been viewed more than 350,000 times.

"Awww, this made me cry! Congrats on your beautiful baby. God bless you and your family," one user wrote.

"That put the biggest smile on my face. Best wishes to you guys and baby Finley. I can tell by the shock and happiness that she will grow up in a famly (sic) full of love for her," said another.