“I wouldn’t know where to start with that one!” flinches Perrie Edwards when I ask what she makes of Bonnie Blue, the porn star who claimed to have sex with 1,057 men in a single day in an attempt to set a world record. The former Little Mix singer wrestles an expression of horror into one of neutrality before calmly reminding me that “I’m not one to judge”.

Although newspaper readers lap up celebrities’ takes on current controversies, it can feel cruel asking them to put their opinions on the record. Unlike in a normal conversation – where you can think aloud and change your mind later – giving the “wrong” answer to a journalist can be career ending for a pop star, retweeted ad infinitum online.

So I feel for the warm, likeable Edwards. The 32-year-old from South Shields says she’s “k

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