Michael Strahan is a loyal friend and he couldn't have been prouder of his Good Morning America co-star this week.MORE: Michael Strahan supported by fans as he reveals exciting newsThe TV star took to Instagram on Tuesday following Amy Robach's debut book release, Better Together, to share his pride for her achievement.The former footballer shared a lovely picture of himself with Amy and her husband Andrew Shue – co-author of the story, all posing with the book backstage at the GMA studios.VIDEO: GMA's Michael Strahan shares incredible glimpse inside New York homeIn the caption, Michael wrote: "So proud of my @ajrobach and @andreweshue on their new book, Better Together!!"MORE: Inside Michael Strahan's marble kitchen - and it's so.
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