Victoria Beckham used her first TikTok posts to poke fun at her ultra-strict eating habits. She finally joined the platform on Thursday (14.07.22) and posted a video joking about having a miniscule dinner of fish and vegetables after her husband David jested about her having eaten the same meal for 25 years. The Spice Girl, 48, also invited fans to “tell me you are posh without telling me you are posh”. She sat at a table before a waiter lifted it to reveal her food, adding the hashtag #stitchposh in an apparent reference to the TikTok tool that lets users to clip and use scenes from another m…