Monki is one surprisingly good destination for a shirred one-piece that looks grown up, while H&M also has plenty of ribbed fabrics.
A real giveaway on a cheap bikini is the bust area. Triangle bikinis and unlined one-pieces are some of the biggest offenders, offering the least support, and if you wear a bigger bra size you should actively seek costumes with built in pads, stretch panels or underwiring.
Marks & Spencer has one of the best swimsuits on the whole high street this year - its classic black plunge swimsuit comes in a ‘tummy controlling’ ribbed fabric, with sturdy cups, and is available in sizes 8-24.
Tummy Control Padded Mesh Plunge Swimsuit (£29.50, Marks & Spencer) More tell-tale features on a cheap bikini; exposed elastic,.
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