Daughter surprises step-dad with adoption news in heartwarming moment

A heartwarming moment from an unsuspecting dad brought his family to tears.

Angel Trevino and her 11-year-old daughter, HaLeigh, secretly went about changing the girl's last name to the same as her adopted dad.

On Feb. 1, they sat David down and made him read out a letter explaining the whole thing.

"You stole her heart from day one, but she stole your last name forever,"was just one of the lines that brought tears to David's eyes.