Sienna Miller may be happy to show off her perfect beach bod, but for most women a few extra pounds around the midriff is all it takes to feel self-conscious and cover up. If you find yourself sucking in your stomach when you're on hols, then let us show you how to streamline a rounded tummy and make you belly-beautiful – look out Sienna!

Perfect for rounded tummys

Not only do these multi-coloured panels hold bellies firmly in place, the front lining provides secret support too. Double good!

Classic swimsuit with piped panels, £50, from Triumph