Reunion with Husband's Birthdaughter

My husband's daughter Kimberly was given up for adoption when she was a baby,shes 22 years old now.2 weeks ago I found her on Adoption.com. I emailed her and she was really excited,she had been looking for her Birth family for awhile now too.She started Chatting with her Dad on yahoo messenger a couple of days later and came to visit twice already.She loves her father and she even calls him Dad.It was a real happy reunion and she wants to be a part of our lives now.