Inside Meghan Markle and Princess Kate's friendship

A new friendship between Markle and Kate is emerging as the American actress prepares to join the British royal family.
2:27 | 01/31/18

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Transcript for Inside Meghan Markle and Princess Kate's friendship
We turn to our "Gma" cover story. "People" magazine taking a closer look at the royal relationship between princess Kate and Meghan Markle. Being compared to princess Diana and Sarah Ferguson's relationship so Adrienne Bankert is back with more on that. Yeah, imagine that, right. This is amazing. If Meghan Markle's engagement couldn't be sweeter she is now bonding with her neighbors at kensington palace, specifically Kate, the two now compared to one of the most famed friendships in royal history. It's said history repeats itself. Kate Middleton and Meghan Markle already being called the princess Diana and Sara duchess of York of our generation. Not since the 1980s heyday of princess Diana and Sarah Ferguson have a pair of royal partners so captivated the public imagination. Reporter: It's an '80s throwback to the young Royals married to brothers who became great friends. Like their predecessors, Kate and Meghan have distinctly different personalities and paths to the palace. At 36 years old they're the same age. Princess Diana and fergie only in their 20s when they captured international attention. Kate and Meghan are, you know, really a decade older than fergie and DI were at that point in their lives so they're coming much more established. Reporter: Kate groomed by the royal family while Markle, the first American to be married to a prince of the British royal family in decades. Now being mentored by Kate on the strict rules and protocols of royal life. This spring the world will be watching with Kate's baby due in April and Meghan and Harry's may wedding. Something Kate is used to and now Meghan is prepared for. The family has been great in over the past year and a half. We've just had a really nice time getting to know them and progressively helping me feel a part of not just the institution but also part of the family. Katherine has been absolutely wonderful. All talking about how much we love this couple. We do, yes. We do. We love romance. Tomorrow Meghan Markle and prince Harry make their next royal appearance and will accompany the prince to the endeavor fund awards, a charity that celebrates the achievements of wounded and sick servicemen and women close to prince Harry's heart and that issue of "People" magazine where you can read all about it is in newsstands on Friday. We don't need to. We've got you. Oh, well, I'll do my due.

This transcript has been automatically generated and may not be 100% accurate.

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