"I am literally going to apply this fake tan all over my bikini top," Jemma Violet says, as she smears chocolate brown mousse over her chest, neck and halter-neck bikini.

I'm watching a TikTok video in which the beauty influencer is explaining how to develop a vibrant set of tan lines - without sunbathing.

"Make sure you do your arms and everything... and then wait a couple of hours before washing it off."

A flash frame later and Jemma is showing off two very visible white stripes connected to two white triangles poking out of the top of her boob tube. Tan lines glowing, job done.

Back in the 90s, I remember the abject horror of having tan lines on display and doing all I could to even mine out - with limited success. Fast forward to the mid 2020s and tan lines have become a fashion statement to be shown off.