Former editor of Front magazine Piers Hernu said he was "shocked and appalled" by the Co-op's threat to stop selling lads' magazines, while Sophie Bennett from the Lose the Lads' Mags campaign group labelled the publications "pornography".
They debated the issue in the ITV News studio:
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The singer, 31, said on Twitter that she and her partner Jonathan Powell were grieving their loss.
A fine evening ahead to the south with some late sunshine in places.
Prince Charles and the Duchess of Cornwall have visited Manchester Arena, the site of a suicide bombing in May which left 22 people dead.