Marks & Spencer has 'secret slimming' slips that shoppers love so much, they are saying 'please don't ever stop making them'. The Medium Control Secret SlimmingTM Full Slip is 'in demand', getting rave reviews from customers. Costing £29.

50, the pull-on slip gives a 'beautiful streamline look' whilst being 'comfortable' to wear. Non-padded, it can be machine-washed at 40°C. Available in two colours - rose quartz and black - the shapewear item gets a 4 star rating from more than 320 reviews.

You can choose from size eight right through to size 24. Read more: Shoppers beg Marks & Spencer for 'more colours' of its 'lightweight, warm, packaway' gilet One happy shopper said: "This is now an essential piece of my wardrobe . I love the way it smooths out the shapes and I find them so comfortable to wear.

Please don’t ever stop making them." Shoppers rave about the M&S Medium Control Secret SlimmingTM Full Slip (Image: Marks & Spencer) Another added: "Gives a beautiful streamline look without the excess being pushed to the waist like the support pants do. Very happy with this product.

" A third posted: "This is perfect for holding the tummy in and giving you a smooth shape underneath dresses. It also wasn’t uncomfortable whilst wearing but quite the opposite and didn’t realise I had it on." However, a couple of people were disappointed with the look: "Waste of money, does not hide bumps and lumps, fabric on top too thin and on bottom too thick.

Going straight back, does not do.