Staff from BAE in Portsmouth who helped to make parts of HMS Queen Elizabeth have been watching the naming ceremony on a big screen in the city.
The £3 billion aircraft carrier is the biggest ever Royal Navy carrier to be built.
It was put together in Scotland but large parts of it were built at BAE Shipyard in Portsmouth.
She'll arrive in the Hampshire city, which will be her home port, in two years time.
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Glorious summer sunshine and feeling warm this afternoon.