I'd describe Michelle O as a former First Lady so she is a legitimate public figure in the U.S. who has hit the campaign trail for years and given probably a thousand speeches in small, medium and big cities all across the country, whether you agree with her or like her, or not. I don't think she is an influencer the way we usually think of influencers, as a person trying to convince others to buy something, whether it is fashion, technology, food, travel, though, at their core, I guess all politicians are influencers per se, trying to influence you to vote their way. I guess Michelle would also like you to buy her books and listen to her podcast if she is still doing one.
I think Meghan dreams of having an influence on public life and debate in America but she doesn't have the experience or resume for it. She's a former actress and the wife of Prince Harry. She'd last 5 minutes in a hard hitting interview or public town hall with real questions from real people. She sticks to the easy stuff: issuing statements and doing photo ops. So, I'd describe her as a celebrity, someone famous for who she married, and that pretty much sums her up.
She will go around alternating between smirks and faux serious, and there will be an avalanche of pro-Zed pieces claiming she has a special bond to TQ and TK.
