Pop-Up Engagement Surprise

"Baby Daddy" star Chelsea Kane helps two high school sweethearts with a surprise proposal.
1:42 | 12/14/15

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Transcript for Pop-Up Engagement Surprise
We're counting down to Christmas with the best present two high school sweethearts could hope to have. A supersecret surprise right out of a fairytale. Rachel smith has the story. Reporter: Every love story deserves a fairy god mother. And for high school sweethearts, their fairy godmother turned out to be ABC family. And breakup star Chelsea Kane. That is the scent of Christmas dinner ruined. I got to pull off an engagement surprise. I helped the future groom trick his girlfriend. I was lured here under false pretenses. I was feeling a little nervous. Oh, my god. I walked into one of the most beautiful and amazing proposals that a girl can hope for. I love you. Will you marry me, baby? Oh, my god. She saw the ring. I finally relaxed and said, okay. He dropped down, I was like, wait. My eyes and mind were not synchronized. Reporter: The surprise was not just a diamond ring. Welcome to the family. To share this experience with the people that mean the most to me, it brought it full circle. I was so flattered to have been included. I love love. Reporter: Just like every great love story. I could not be anymore excited. Starting our own family and continuing to push forward and pursue our dreams. There's a happily ever after. For "Good morning America," Rachel smith, ABC news, new

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