Olandria Carthen’s $9 Secret to Glowy Skin at the Golden Globes

When it comes to sourcing new beauty inspiration, we can always count on celebrities on the red carpet to introduce us to a new product or show-stopping trend. Last year, we saw the return of some old favorites - like Taylor Swift's trusted red lip and the controversial jellyfish haircut - and this year, we're already seeing some affordable beauty surprises (we're talking under $20!).

While celebrity glam is more typically associated with high-end, luxury beauty products, many celebrities use more budget-friendly products for their red carpet looks. "Love Island" star Olandria Carthen used $10 body oil for her red carpet glow; Keke Palmer grabbed $5 mousse to keep her hair frizz-free; Selena Gomez opted for a $16 cleanser to prep her skin; Kendall Jenner kept her rainy Met Gala look in tact with a $10 setting spray; and even Miley Cyrus relied on an $11 lip tint to perfect her award-show pout.

Ahead, we rounded up the best affordable beauty products under $40 that today's biggest stars relied on for their red carpet appearances this year. From drugstore favorites to hair-care staples to plenty of editor-approved skin-care products, these beauty must haves will make it easy to achieve A-list glam - even if you're on a budget. Keep reading to shop our favorite finds.

• Red Carpet Skincare Products
• Red Carpet Hair Products
• Red Carpet Makeup Products