Jerrie have a massive habit of calling each other pet names- which psychologically- is a sign of intimacy past or present. All the Little Mix girls call each other "Babe" or their better known catch phrase "Gorgey hun" however Jerrie have more specific, intimate names for each other that are more often than not only used in relationships.
Some examples:
Perrie has a habit of calling Jade "Jad-ore" a play on the word "love" in French
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At the Brit awards 2017, although this was a time when the supposed Jerrie relationship had ended, Perrie is caught calling Jade "Baby" several times (she's drunk) and then she looks slightly taken back once she realised what she called Jade.
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A few other names that Perrie calls Jade include "Darling" and "Sweetheart"
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Jade often goes between called Perrie "Hun" and "Babe"
But both Perrie and Jade have in the past called each other "wife"
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These pet names suggest intimacy either in the past or present.
