Unless you've been living under a rock (or don't spend hours on YouTube watching makeup tutorials like us), then you've probably heard of YouTube sensation, Ingrid Nilsen. The boss babe is a supersuccessful YouTuber (with close to 4 million subscribers), the face of Bare Minerals' Original Foundation and even starred as a judge on "Project Runway: Threads." Needless to say, she knows a thing or two about the makeup biz. So, when she's not testing new products for her YouTube channel, what are her go-to staples? We found out.

Ingrid Nilsen, Beauty Vlogger

Must-Haves:
"For the days my skin is more oily, micellar waters are my favorite for zapping excess grease. I especially love using Garnier Micellar Cleansing Water for Oily Skin, $8.99, when I wake up in the morning or when I don't feel like using a rinse-off cleanser.

That being said, my skin has actually been a bit dry lately, so SK-II Facial Treatment Essence, $179, is a must-have in my skin-care routine. I love it because it helps with the tone and texture of my skin, while giving it a surge of moisture. It also helps prep my face for the rest of my skin-care routine and makeup application.

I use a lot of texturizing sprays, so Bumble and Bumble Sunday Shampoo, $25, is a once-a-week must for me. The clarifying shampoo gets rid of the product buildup in my hair and leaves my strands nice and clean.

Another must-have? Jo Malone Body Cream in Peony + Blush Suede, $75. This is my signature perfume scent. I've been wearing it for so long, and putting on the body cream is my favorite way to start my day and hydrate my skin.

As for makeup, BareMinerals Original Foundation, $28.50, is my go-to right now. I love how light and creamy it feels and that the coverage is buildable. Depending on what I want that day, I can make the foundation full coverage or keep it light when my skin is cooperating. But really, I love it because it makes me feel like myself.

To go with my foundation, I really like to use Soap & Glory Kick Ass Just Bright Concealer, $10, before my regular under-eye concealer to act as a brightening base. The light purple color corrects in a way that makes your eyes look really bright and awake.

To lock my eye shadow in place, I rely on Nars Eyeshadow Primer, $26, which I've been using for years. I have really oily eyelids, so this product is a lifesaver for keeping my shadow in place.

This product is a little newer to me, but I love the Marc Jacobs Le Marc Liquid Lip Creme, $28. I'm a fan of the liquid lip look and these give me just the right amount of color and hydration.

As for my mascara, I have a lash-lifting trick. I combine CoverGirl Plumpify BlastPro by LashBlast Waterproof Mascara, $10.49, with CoverGirl So Lashy Waterproof Mascara, $10.49, and my lashes hold a lovely curl every time.

We could all use little positivity in our lives right now, and Gabrielle Bernstein, Philosophy Wellness Ambassador (and motivational speaker), is all about feeding the soul. As a self-proclaimed spiritual junkie, Bernstein aims to empower people to awaken their confidence and live out their life's purpose -- sign us up, please. What's one of her subtle methods for gaining more confidence and finding that oh-so-elusive inner peace? Using products that enhance her natural beauty and make her feel like her best, blissed-out version of herself. These are the products this world-changing boss babe relies on to feel restored, pampered and ready to take on anything.

Gabrielle Bernstein, Philosophy Wellness Ambassador and best-selling author

Must-Haves:
"One product I love is the Tata Harper Rejuvenating Serum, $98. It's wonderful because it moisturizes and tightens my skin simultaneously, which is a major time saver in the mornings. My other go-to serum is the Philosophy Time in a Bottle Eye Serum, $65. I literally will not go to sleep without putting on this product. I swear by it, as it brightens eyes and makes me look much more awake in the mornings. If I'm not dabbing on this eye treatment, I like to use the Bee Yummy Eye and Lip Cream, $24. I tend to get really dry under my eyes anyways, so this product is great for softening and rehydrating that delicate skin area.

Every girl needs a good moisturizer and my go-to is the Goop Revitalizing Day Moisturizer, $100. I have naturally very oily skin and this moisturizer doesn't grease me up more. Instead, it hydrates my skin without making me look shiny. I also don't neglect hydrating the rest of my body either. My go-to body moisturizer? Kai Body Butter, $52. This is the best product (in my opinion), for moisturizing your body. Plus, the smell is great! If I'm not using this, I love putting on the Heritage Store Lavender Aura Glow, $10.29, right before I get into the bathtub or sauna. The oil seeps into my skin for deep moisturizing benefits and leaves it feeling smooth and soft.

As for my nails, I love keeping it neutral. RMS Nail Polish, $15, is one of my favorites because I love their gorgeous nude nail polish and the product is totally natural. Plus, it doesn't smell bad like other natural nail polishes I've tried. Definitely a win for me."

It's not easy running a successful beauty blog, launching a hair extension line and raising two children simultaneously, but beauty queen Amber Fillerup Clark makes it look easy. No matter what craziness life throws at her, she always looks 100 percent. So what's this busy mom and makeup maven's secret? Here, Amber Fillerup Clark shares her Holy Grail skin and hair staples that keep her looking effortlessly fabulous.

Amber Fillerup ClarkBeauty Blogger

Must-Haves:
"As far as my nightly routine goes, I always start by washing my face. I love La Mer The Cleansing Gel, $90, because it removes all my makeup and makes my skin feel squeaky-clean. I also love Nude Skincare Detox Gentle Brightening Fizzy Powder Wash, $38, for a cleanser as well. After I wash my face, I like to put on SkinCeuticals Triple Lipid Restore 2:4:2, $125, and SkinCeuticals Eye Cream, $72. I'm in love with this brand because all of their products are medical grade (and simply amazing, might I add). I notice such a difference when using them regularly.

I live in Hawaii, so I'm insanely diligent with my sunscreen. I love to use Colorscience Sunforgettable Brush-On Sunscreen SPF 30, $57, which I quickly run out of. It is my favorite because I hate having an oily face, which most sunscreens cause. Being a mineral powder, this doesn't leave me feeling slick. When I get back from the beach, I like to apply the Caudalie Moisturizing Sorbet Cream Sensitive Skin Savior, $39, to my face to restore my skin's moisture after being in the drying sun all day.

As for hair, I have about a million hair products and have tons of favorites, but I currently love Olaplex No. 3 Hair Perfector, $28. It's a treatment you put on wet hair in the shower before you shampoo and condition. I notice a huge difference in my hair health after I use this! I also love to use my Alterna Caviar Anti-Aging Replenishing Moisture Conditioner, $32, to keep my hair hydrated, and recently got Malin+Goetz Intensive Hair Conditioner, $26, for the same purpose.

For my hair styling products, I adore Kerastase. I especially love Kerastase Forme Fatale, $20.50, for extra texture and volume. Kenra Platinum Snail CC Creme, $25, is another staple too. It helps to keep my hair shiny and healthy."

The "Rich Kids of Beverly Hills" star, Morgan Stewart, knows a thing or two about on-camera beauty (I mean, she spent four seasons on camera), but looking her best doesn't rely solely on makeup. Instead, this reality star focuses on her skin care to keep her looking fresh. Here, Morgan Stewart's top product picks for enviable "woke up like this" skin.

Morgan StewartReality Star and Lifestyle Blogger

Must-Haves:
"One of my must-have products is the Christie Kidd Fresh Pads. Christie Kidd is my dermatologist, and recommended these pads to ensure I completely remove my makeup and impurities from my face after washing it at night. The pads rid your face of any residue your cleanser may have missed. I can't live without them. I use them on my chest and back as well. They're excellent! After cleansing my face with these, I like to use the Cinq Mondes Precious Elixir - Soothing, $58, to add a little moisture. My facialist recommended it to me to use while I sleep at night, as it's hydrating and replenishes skin exceptionally well (especially after a night of drinking). I also dab on Sente Intensive Eye Therapy, $87, which Kidd recommended to me because a little goes a long way and it keeps the eyes hydrated all day.

Sunscreen is really important to me, and I've tried so many over the years. They all end up being greasy or need to be reapplied every few hours. Elta MD UV Clear Broad-Spectrum SPF 46, $32, is my dream come true. It contains zinc, so it stays put, and has the best sun protection. I always keep sample sizes in my bag!

I would put Bio-Oil, $19.99, on my bacon if I could. My husband always makes fun of me because I take 30 minutes to slather this ultra-hydrating oil all over my body before bed. It's great for burns, stretch marks and just overall moisture when you're feeling dry. I absolutely love it.

I also like to use Kai Body Lotion, $37, -- it's the best body lotion I've ever used. It has a heavenly scent and is very hydrating without being greasy, which as you've probably guessed, is very important to me.

Another must-have is the Enlite Super Scrub + Glow, $16.99. While it's meant to be a facial microdermabrasion, I love to use this scrub on my chest and arms in the shower after yoga. It's only sold at CVS and it's super-affordable. Speaking of affordable, the only nail polish and topcoat combo I use is the Essie Gel Couture Nail Polish, $11.50. The polishes have very rich, beautiful color, and the top coat adds amazing shine."

Having grown up with a magician father and cosmetologist for a mother, it's no wonder celebrity makeup artist and Ipsy stylist, Lynette Cenée, knows all about makeup magic. Having extensive knowledge in the beauty biz and being a "go-to" artist for many celebrities, commercials, music videos and fashion shows, we got the scoop on her makeup must-haves for every glamorous occasion.

Lynette Cenée, Celebrity Makeup Artist and Ipsy Stylist

Must-Haves:
"I love starting with Heir Atelier Ultimate Make Up Prep because hydrated skin with a radiant glow is the best canvas for makeup. Not to mention, I never go without a primer because creating longevity in your makeup look is key. When I am ready to apply my foundation, I like to use what I think should be called, "the magic egg." The Beauty Blender is my go-to on the daily for a flawless finish and is a great "beauty magic trick" for applying face makeup effortlessly.

I love a good mascara that gives not just length but volume as well. Tarte Lights, Camera, Lashes 4-in-1 Mascara doesn't give you a spider leg or clumpy look, and there is absolutely no falling out under your eyes. Can I get an amen? Speaking of under eyes, the Nars Concealer has been my ride or die for many, many years now. This concealer has remained steadfast in my makeup regime due to its ability to fix any dark circles or blemishes and its vast color range for many skin tones.

A great highlighter that won't leave you looking like a glazed doughnut in a world of many options is like finding a needle in a haystack, or better yet, a loyal bestie in LA (nearly impossible). When Benefit came out with their Benefit Cosmetics Watts Up! Cream Highlighter, it was a match made in makeup heaven for me. I like to use my ring finger to apply on my cheekbones, tip of my nose and Cupid's bow for a natural glow that never fails to receive compliments."