10:53 AM PT -- Michelle Obama is chiming in on the good news too. The former First Lady tweeted her excitement to the new parents, saying she can't wait to meet the new royal bundle.

6:45 AM PT -- Meghan has given birth to a royal baby boy ... 7 lbs., 3 ozs. The palace says the new prince arrived at 5:26 AM Monday, London time.

No name for the little guy, yet. Harry says they're "still thinking about it" ... even though the baby arrived a little late.

Pass the royal baby powder! Meghan Markle and Prince Harry are officially in the home stretch ... she's in labor with their first child.

Buckingham Palace announced Monday the Duchess of Sussex had gone into labor.

Kensington Palace announced in October 2018 Harry and Megs were pregnant. They moved quickly ... the pregnancy news came about 5 months after their star-studded wedding ceremony.

Meghan continued her royal duties as the couple went on tour, but ultimately had to cut back ... especially on-air travel.

When it came to her baby shower ... that was quite a spectacle too. Tons of celeb friends came out in force to shower her with love ... from Amal Clooney to Abigail Spencer.

Because we know you're wondering ... the kiddo will be 7th in line to the throne, right behind Papa Harry, the Duke of Sussex. The new Prince will also bump Prince Andrew -- the second son of Queen Elizabeth -- down a notch.

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