TEXT: PICS BY JACOB HOLBROOK / CATERS NEWS - (PICTURED : Katie Gillum, 24, with fiance Jacob Holbrook, 23, and their nine-month-old Weimaraner puppy, Raegan) - A doting owner was left in hysterics after capturing his dogs shocked reaction to finding out she was going to be a big sister. Jacob Holbrook, 23, decided to take a photograph of his fiance, Katie Gillum, 24, showing her baby bump to their nine-month-old Weimaraner puppy, Raegan. When taking the photograph, Katie, who is 25-weeks-pregnant, told the pooch that she was going to be a big sister. However, much to the couples surprise, the reaction from their dog was not as they expected - as she first appeared to look shocked and then concerned by the news. - SEE CATERS COPY