As this film got a TV showing in the UK in 2017 I manged to see it. I was a boy when the film was made and visited the Festival of Britain and the Festival pleasure gardens both of which the film is about.
The film is worth viewing to see some of the scenes in London during 1951. Many of the buildings and attractions have since gone. The story is of little interest and is rather sexist.
For those who do not know London, the Festival of Britain was by the Thames on the South Bank. The Royal Festival Hall was built for the festival and is still in use as a concert hall. The pleasure gardens were in Battersea Park, they stayed open for several years after the festival but have now all gone. The BBC used the Aeolian hall for radio shows and the "Goon Show" was a popular comedy show which ran for many years. The Windmill Theater has had many uses, but the building is still there and open with similar entertainment as of past.
Do not expect much entertainment from this film but if you are of an age to remember the people in it and the places they show, you may find it worth looking at once for memories of your younger days!