Here’s how you should dress for your first day of work

The outfits that get you noticed on Instagram aren't the ones you want to trot out on your first day of an exciting new job in a formal work environment. 

Remember when Northwestern University’s lacrosse team wore flip-flops to the White House, justifying them by saying they were really “nice” flip flops? Yeah, that's not going to fly with your new boss. 

Before you make a bad impression, here are some tips for dressing like a pro on your first day.

Plan it out.

When an outfit makes you feel really confident at a job interview or other professional event, put it on a hanger with a tag about what jewelry and shoes you wore with it. Then, when you have another important day, you can dress quickly and look great!

Adjust your clothing to suit the job.

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Unless you’re the next Steve Jobs, jeans and sneakers won’t work. Though, if you are interviewing at a more lax company, a casual style is appropriate. Check with the receptionist to be sure of the dress code, or if they even have one. Underdressing can be as bad as overdressing.

Be comfy.

Now is not the time to practice Kim Kardashian's double-Spanx trick. Dress so that you are comfortable and neat.

Rush a season.

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iStock/KatarzynaBialasiewicz

Depending on when your first day falls, show up as the first one in spring or fall colors (and keep it up all year long). You’ll always look fresh.

Make it personal.

If your first day on the job is in the fashion business, wear something that reflects your personal style or sports a touch of color or bling.

It's about more than clothes.

Remember, a smile, good posture, and a firm handshake are part of that first impression. Sit up straight at the edge of your seat and be sure to make eye contact.

Keep it classic.

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Well-cut black or navy pants topped with a crisp, white shirt is ALWAYS in style. Same goes for simple sheath dresses and pencil skirts.