Everyone’s got a past. Some people’s just happen to be documented.
The year was 1998.
Her advertising agency pitched an ad for V-Line trains and Mary starred in it as an extra.
You can watch the ad below. But let us warn you – it’s kind of creepy.
Does this ad make you want to buy a two-for-one train ticket? Didn’t think so.
Click through the gallery below for more photos of Princess Mary and her family.