Spanx Women's Thinstincts 2.0 Tank Panty Light Control Body - Cafe - Available at M&S

The Thinstincts 2.0 body by Spanx provides a single layer of lightweight smoothing and shaping. It's made with a scoop neck and a low-cut leg, plus non-padded, non-wired cups. The technology is designed to target your tummy and sides, for a flawless silhouette underneath any outfit.