Now everybody has a smartphone in their pocket, there's an easy way to document that chance meeting with your favourite actor or singer.
We asked readers on our Facebook page for their starriest shots and were inundated with famous faces.
Here are another 18 of the very best, in the third of our picture galleries.
See the first part here.
See the second part here.
Here are another 18 of the very best, in the third of our picture galleries.
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