red velvet newborn dress Baby Infant - with Maribu - Size 6 months with a round neckline Baby Maroon Berry The Holiday

Avoid wearing khakis or chinos if possible, as they are often considered too casual

Today's audience is way more knowledgeable and in-tune than ever and can spot a bad outfit a mile away

Not so for Lilly Pulitzer, whose goal was not to start a fashion business

If you are attending as a friend or family member rather than as the birthday girl, our separate guide on what to wear to a sweet 16 as a guest covers those rules in detail

I feel like I know Zara's summer collection like the back of my handmany an hour is spent studying the IRL and virtual rails of this Spanish high-street store's vast stock offering in order to bring you the tightest edit of what's actually worth buying