Dubliner Kate Synnott's client list involves A-list actresses, supermodels and icons - so you can be sure she has garnered plenty of tips and tricks along the way.

The Los Angeles-based makeup maestro has one impressive schedule - think global fashion weeks, film festivals and destination shoots for brand campaigns - and an even more illustrious phone book. 

Synnott started her stellar career working for MAC in Dublin before hotfooting it to the US where she honed her craft against the glamorous backdrops of New York and LA.

Despite the tough and competitive industry, Synnott's talent shone through. Her knack for perfecting the elusive glowing complexion that every woman wants led to her appointment as National Lead Artist for Charlotte Tilbury's eponymous cosmetics brand.

The North Dublin native is now on the books of major US agency, The Wall Group, and counts Nicole Kidman, Cara and Poppy Delevingne, Emma Stone, Ashley Graham, Candice Swanepoel and former Miss World Olivia Culpo among her celebrity clientele. 

Her work has also featured in campaigns for household name brands such as Jimmy Choo, Dior, Calvin Klein, Beats by Dre, and Armani. 

With a curriculum vitae that strong, it would be almost impossible to pick a highlight. Although for Synnott, one of her most memorable moments was getting supermodel and actress Rosie Huntington-Whitely camera ready for this year's Heavenly Bodies-themed MET Gala. 

"I was obsessed with the theme and her look," Synnott told Irish Tatler. "It was amazing to see it all come together and get to design a makeup look for her for such a big fashion moment."  

After a whirlwind few weeks in Beverly Hills, Manhattan, Cannes and finally Dublin, we caught up with Synnott to cajole some industry insider 101.

Here are her top three hard and fast beauty rules:

1. Skin first, makeup second

"I am skincare obsessed, so the best beauty tip I could ever give is to look after your skin! I love active products without harmful ingredients. If you look after your skin, putting on makeup is a dream."

2. Layer

"Use small amounts of product buffed in to build the foundation or colour slowly," Synnott advised. "It's the best way to get good coverage and build up pigment while still having the best lasting power."

3. Blot 

"Always blot before you powder," Synnott said. "It is always best to absorb all the oil on the skin before putting more makeup on top to avoid it looking caked and aging."

When pressed as to what her ultimate career goal was, the humble makeup artist said it is just to "keep progressing".

All things considered, it looks like that's a definite.