“Happy birthday to His Royal Highness The Prince of Wales - Sir, Pa, Grandpa!”
At just six months baby Archie is starting to crawl and reportedly has two teeth.
And Meghan Markle says she'll dress baby Archie in an England babygro as they cheer on from Frogmore cottage.
Just like his dad!
"I think the schedule - they have been very kind to me, because everything is based around Archie’s feed times."
At four-months-old, Meghan and Harry's son Archie is already something of a style icon: shop his debut royal engagement outfit.
Duchess Meghan handed over two large bags of clothes.
It's said to have a similar meaning to his regular name.
Baby Archie will be the youngest royal to go on an official tour.
“This will be their first official tour as a family!”