The six-month-old is ahead of schedule with this particular milestone, with most babies beginning to crawl between the ages of seven and 10 months.
Britain's Duke and Duchess of Sussex were on double duty as they also released images from a private trip to the Broom Farm Community Centre in Windsor from Thursday, during which they met with military families for the afternoon.
"It's unbelievably hard. I have so much respect and admiration for anyone who has to deal with that", Prince Harry noted while expressing his feelings about how hard it is on the families while someone is away.
"[Meghan] is nice a conventional mum and it became fancy talking to a buddy".
The Duke and Duchess learned about the unique challenges of military life and the importance of social networks that exist to support families during deployments. "I can't imagine what it's like to miss so much as [children] change so quickly".
"Meghan promised not to tell anyone that I was off school", Molly later told HELLO! Thompson praised Meghan, saying, "she's just a normal mum and it was like talking to friend".
Listen to our royal podcast The Windsors. "It's really special and a lovely boost for the whole community".
Windsor is home to regiments from the Welsh Guards and Coldstream Guards as well as some members of the Household Cavalry.
Most of the Coldstream Guards are now deployed on exercise in Kenya whilst numerous Welsh Guards are finishing a long deployment far away in to the Falkland Islands.
Harry also praised those who maintain a home life while their partner is away on operations and sympathised with service personnel missing out on their child's development while serving overseas.
Today marks their second joint appearance since their controversial documentary Harry & Meghan: An African Journey in which they spoke candidly about the difficulties facing them amid significant criticism from the public and the British tabloids.