When Royal Ascot announced its 2017 style guide, it came as a surprise to many that the jumpsuit had made the list for the Royal Enclosure. Alongside formal dresses and trouser suits now sits the addition of "jumpsuits are welcome". Following regulation, of course. Trouser length should be full to the ankle and straps should be one inch or greater. That means a big no-no to anything strapless or off the shoulder, halter necks, and spaghetti straps. Read on for 11 more suitable options and perhaps save that cold-shoulder jumpsuit for your best friend's wedding?