Good Morning America's Amy Robach penned a beautiful tribute to someone very special on Thursday as she mourned the loss of a much-loved family member.The TV presenter shared a series of photos on Instagram alongside a message which had her social media followers welling up. MORE: Amy Robach wows in flirty Zara summer dress Amy sadly had to say goodbye to her grandfather after he passed away and she received an outpouring of love following her post. WATCH: Amy Robach impresses with her healthy