Michelle Obama praises Meghan Markle as 'an inspiration'
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Former first lady Michelle ObamaMichelle LeVaughn Robinson ObamaMaggie Rogers shares letter from 'huge fans' Barack and Michelle Obama Former Michelle Obama chief of staff Tina Tchen named new head of Time's Up Michelle Obama to release companion book to 'Becoming' MORE on Thursday called Meghan MarkleMeghan MarklePrince Harry, Megan Markle file suit over publication of private letter Michelle Obama praises Meghan Markle as 'an inspiration' Prince Harry launches initiative to tackle travel industry's impact on climate MORE an “inspiration.”

Obama described the Duchess of Sussex in an Instagram post as a “thoughtful leader who is breaking the mold and making our world better for it."

“Whether meeting with our @ObamaFoundation Leaders or helping girls around the world seek the education they deserve, she is an inspiration to so many,” Obama wrote.

Markle and her husband, Prince Harry, are on a two-week royal tour of South Africa with their 4-month-old son Archie, and they met Obama Foundation members earlier this week.

The palace reportedly said Markle would be “working with local organizations to promote women and girls’ health and education, entrepreneurship and leadership” during the trip.

Obama interviewed Markle for the September issue of British Vogue that Obama guest-edited. The issue, called "Forces for Change," featured "a cast of brilliant female changemakers who are set to re-shape society in radical and positive ways," a statement from British Vogue said.

In the interview portion of the issue, Markle refers to Obama as her friend, calling the previous executive mansion resident the "ultimate force for change."