Before reading the note, Meghan said that it said, "from Archie and Lili, via Papa".
Sweetly laughing, Meghan then read that the note said: "We love your cooking, we love your pancakes and we love love love your hugs. You're the best mummy and we love youuuu.”
After reading out the adorable note, Meghan pointed out the "very British" way that her children refer to her.
She said: "So sweet, I also love that its 'mummy', which is very British, instead of 'mommy'."
The doting mum then said, speaking Archie and Lilibet, "They're the greatest".
Earlier in the episode Meghan also looked emotional as she speaks about "proving herself".
She told Jamie, "We spend so much of our lives trying to prove something, to prove that you're enough, you have to prove that you're pretty enough, you have to prove you're smart enough, you have to prove that you're a good wife or a good friend.
"And I was like 'I am just so done with the proving game and if you can't see it, I don't need to prove to you why that's your loss..."