She has already been on a number of adventures, from her first arrival in Portsmouth through to her deployment to the east coast of the U.S, through to becoming the fleet flagship and finally departing on her maiden operational deployment.
Here are pictures of the aircraft carrier over the years.
21. Historic F-35 flight tests begin
HMS Queen Elizabeth's ship's company began the historic F-35B Lightening II flight tests after arriving on the eastern seaboard of the United States. Picture: Lt Cdr Lindsey Waudby RN Photo: LPhot Kyle Heller
22. The first F-35 jet has landed on her decks
History was made on her deployment to America last year as the first ever F-35B Lightning II jet vertical landing onboard HMS Queen Elizabeth took place in September 2018 Photo: LPhot Kyle Heller
23. F-35 jets continue historic flight tests
A second F-35 jet comes in to land on the deck of HMS Queen Elizabeth. Picture: LPhot Kyle Heller/ Royal Navy Photo: LPhot Kyle Heller
24. HMS Queen Elizabeth arrives in New York City
HMS Queen Elizabeth arriving in New York City in 2018. Picture: LPhot Kyle Hellers/Royal Navy/MoD/Crown copyright/PA Wire Photo: PA