She started caring for her skin at a young age. Because men shave almost every day, which provides daily exfoliation. She tells us that this is the most important part of her skin-care routine - along with lots of laughter, which is the best anti-aging tool.

Christie Brinkley reveals her go-to concealer. Instead of foundation, she uses Jones Road's The Face Pencil concealer created by Bobbi Brown. The 68-year-old shared all of her poolside makeup routine recommendations.

Known for her ability to quite literally defy aging before cameras and critics, supermodel Christie Brinkley has long claimed to do nothing more than “dabble” with dermatological treatments such as Botox Cosmetic and in-office, noninvasive procedures to keep her youthful complexion beaming and taut.

Christie has been vegetarian since age 12. She told The Cut: "[When I became vegetarian] I started reading books right away because I knew that I had to replace the protein and figure out what to do. Over the years I've been a vegan, I've been a macro-biotic, I've been a lacto-ovo.

​Kate's fresh and glowing complexion comes courtesy of beauty brand Bobbi Brown, who revealed that Kate is a big fan. They released a statement after the Royal Wedding saying one of their make-up artists "provided make-up artistry assistance to members of the bridal party".

As you age, so does your skin. After age 30, it may become a bit dryer and duller in color. Fine lines may begin to form around the eyes and mouth, and the proteins collagen and elastin - which are responsible for the structure, strength, and elasticity of the skin - begin to weaken.

Sun protection. Protecting your face from the sun is the single best way of keeping it youthful. Much of the damage comes from the UVA part of the light spectrum, so you need to put on sunscreen that protects against it and UVB light, which causes sunburn. Wearing a wide-brimmed hat is also a good idea.

Why are celebrities ditching meat? Just like us regular folk, entertainers are drawn to veganism for different reasons - health, animal welfare, the environment, and social justice seem to be the most popular motivations.

Zendaya became a vegetarian at age 11 when she passed a slaughterhouse on a road trip with her father. She tells PEOPLE, "I thought it was awful, all those animals getting packed up in there waiting to be killed. I couldn't believe that's how I'd been getting my meat!" Since then, she's stuck to a plant-based diet.

Minimal makeup Queen Elizabeth II seldom wore little more than lipstick and a hint of blush for her public appearances, and called upon Clarins Compact Powder for her complexion (the brand made an exclusive lipstick to match her suit for Coronation Day in 1953 to celebrate the Queen's loyalty to them).

Queen Elizabeth's most-loved beauty products have stood the test...

• MODERN FAVOURITE.
• CLARINS Hand and nail treatment cream 100ml.
• Elizabeth Arden Beautiful Colour Moisturising Lipstick (Various Colours)
• Elizabeth Arden Eight Hour Cream Skin Protectant (50ml)

There is no right way to achieve a “glow-up” at any age. Some may focus on their physical appearance, trying out different trends and fads in fashion and beauty. Others may put more time and effort into their health or exercise. Ultimately, it is up to each individual to determine what they need to do to shine.