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Speaking about their son Archie, who turns two in May, the couple said one of his favourite words is "hydrate" as well as the phrase "drive safe".
"In the past couple weeks, it's been 'hydrate,' which is just hysterical!" Meghan, 39, told Oprah.
Prince Harry, 36, added: "But also, any time anyone leaves the house, he's like, 'Drive safe!' Drive safe! He's not even two yet."
Speaking about raising Archie away from the spotlight, Harry added: "I guess, the highlight for me is sticking him on the back of the bicycle in his little baby seat and taking him on these bike rides, which is something I was never able to do when I was young.
"I can see him on the back, and he's got his arms out. And he's like 'whoo' chatting, chatting, chatting, going, 'palm tree, house,' and all this sort of stuff."
The couple also shared new footage of little Archie. The adorable clip shows the toddler running along the beach in California with Meghan and the family pup.
And social media users were particularly moved by Archie's use of the words 'drive safe', with some drawing connections between the tragic death of his grandmother, Princess Diana.
"Not to be macabre but Archie saying 'drive safe' to his mom and dad whenever they leave the house... it's so adorable but when you look at it through the Diana context and the current situation and it's just horrifying," one person wrote.
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