black velvet formal dress Simple Off the Shoulder perfect for any formal occasion Jovani 09675 Black Long Sleeve

They could be worn over a shirt, in the same way Rachel Green styled her vest above, or worn as a stand-alone shirt when buttoned up another look Rachel often sported while serving coffee at Central Perk

Paired with a white sweater dress this look is gorgeous for date night, or a fun evening out with girlfriends

Many men opt for classic black suits, but another option can be just as stylish and sophisticated: a light blue suit, black shoes for an elegant look

Check out our ultimate guide to semi formal wedding attire here

What you'll find on Glamour and Gains: Glamour and Gains is a luxury fashion and lifestyle magazine covering beauty devices and skincare, designer bags, travel and wellness - all through the lens of someone who has worn, tested and lived with everything she recommends