By Scarlett O’Toole Tammy Slaton looked incredible as she showed off her slim figure after losing more than 30 stone. The 1000-lb Sisters star took to TikTok on Thursday to share a video of herself posing in the mirror as she shared her outfit of the day with fans. Tammy wore a long black T-shirt and khaki trousers, pairing her look with some grey trainers. She accessorised with a silver necklace and multi-coloured rainbow bracelet. The 37-year-old TLC star danced along to the song Plus-Size Freestyle by Samyra as she turned to the side to show fans her small waistline after losing 440lb (31.4…