There is a lot of competition in the world of fashion and celebrity and two of the biggest female solo artists, Katy Perry and Rihanna, are no strangers to showing fashion flair on the red carpet. But how do they utilise the umbrella to their advantage?

We have a look at some examples of the stars under their umbrella-ella-ellas...

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Ooooh - it was close! But I'm sorry RiRi...Katy Perry's just pipped you to the post with her 22/30.