Bayern star Luis Diaz and his wife Geraldine Ponce announced Christmas baby news on Instagram. The family is expecting their third child together. "You, my dream come true!", Geraldine writes on Instagram next to a photo series in front of the Christmas tree. In a picture Luis Diaz caress her baby belly, on another one the Bavarian Dribbler proudly presents his family. The Colombian star Diaz met Geraldine already in the youth, since 25 April 20…