Actress Jung Si Ah recently uploaded a photo with her son onto her Twitter. Jung Si Ah and actor Baek Do Bin married in March, 2009 and were blessed with a baby boy soon after. In the photo Jung Si Ah is posing with her son, Baek Joon Woo,�on her lap, both dressed in formal outfits. Netizens were surprised by Park Joon Woo's growth. �They commented with, "He looks exactly like his father", "He grew so much", and "He looks more like his father than mother!" Source + image via Newsen