If you’ve ever sat through an episode of Peaky Blinders, you might find yourself wondering how the heck Cillian Murphy didn’t destroy his lungs playing the infamous Thomas Shelby.

Yup, there’s rarely a scene where the titular character isn’t puffing on a cigarette – so, what’s actually going on? Are they just destroying packets of cigarettes a la Dot Cotton actress June Brown?

Well, one TikToker has shared what our fave celebs are actually smoking – and it turns out things are far more herbal.

No, not that type of herb, before you get excited.

Director David Ma (@davidwma) often shares the truth behind Hollywood trickery and in a video which has amassed a whopping 2.2 million likes, the film expert has revealed what stars are smoking.

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