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Let's be real: When it comes to building the perfect makeup kit, there are some beauty products that are non-negotiable. Whether you prefer a more natural aesthetic, love to go ultra-glam, or are somewhere inbetween, your makeup kit should hold all the basic essentials to help create your look. Even celebrities — and royals — have go-to beauty products in their makeup kits. 

Did we also mention that you don't need to fill your collection with pricey designer items? In fact, A-list stars have been known to love drugstore beauty products just as much as the next makeup fiend. And at StyleBistro, we're huge fans of budget-friendly beauty products, too. 
 
What are these must-have beauty products, you ask? For starters, every makeup kit should contain a face primer. Primers are necessary for prepping your skin for foundation and minimizing the appearance of lines, wrinkles, and pores. 

After you've applied primer, concealer and foundation are the next steps (and can be used in whichever order you prefer). You want to make sure that your makeup kit contains a concealer that matches your skin tone for optimal coverage and a foundation that contains SPF.

Blush, bronzer, and highlighter are your go-to trio in your makeup kit for creating the ultimate glow-y, flushed look. You can customize your options with different shades of each product according to the aesthetic you want to achieve. Just remember one thing: blend, blend, blend. 

After you've applied your base and any touch-ups, you'll want to have a powder in your makeup kit to set your makeup and reduce shine (shout out to all the beauty lovers with oily/combination skin). 

And, of course, we can't forget to apply some TLC to our brows. A brow gel is a great addition to any makeup kit because it allows you to add definition and color without being too over-the-top.

For the eyes, no makeup kit is complete without a lash-lengthening mascara, statement-making eyeshadow palette, and go-to eyeliner. Lastly, a neutral lipstick adds a finishing touch to your makeup kit. 

Read on to see which of these exact products your favorite celebrities and makeup artists use — and add them to your makeup kit ASAP.