Selena Gomez, the ruler of Instagram, turned 24 today. In past lives, she might have been a Disney Channel star and one half of the hottest celebrity couple in the world, but these days, Gomez is busy taking over social media and running a world tour.

Although she’s known for her husky voice and doll-like face, it’s Gomez’s Pantene-approved hair and ever-changing beauty looks that keep fans guessing.

In honor of her birthday, let’s take a look back at some of the best advice she and her glam team have offered over the years.

Tell ’em that it’s your birthday, girl. You earned it.

1If your hair has been feeling dry, apply a leave-in conditioner after washing and leave it in a braid overnight.

That’s how Selena keeps her mane healthy amid a grueling tour schedule.