Usually known for her bold fashion ensembles, Katy opted for the understated ankle-length dress, which skimmed over her svelte physique.
'As a result, the muscles are allowed to relax and switch off, so when we reveal our bodies for the first time as summer approaches, they are not as svelte or firm as they otherwise would be.
If you're curious about how she got so svelte, add, "What's your secret?
When Hollywood stars need to look svelte for a red carpet appearance, they turn to Haylie Pomroy, the Californian nutritional therapist.
