Like the bag, they never really go out of style.

The variation Jane wore were more full, whereas today we are seeing wispier variations.

They exude a sort of French timelessness that always looks chic and effortless, Marjan says.

Jenna Ortega with Birkin Bangs

Jenna Ortega

Always go a little longer than you think at first, as they will bounce upwards, Marjan advises.

What looks so chic is how shiny and healthy her hair looks, Marjan says.

Start by washing with ahydrating shampoo and conditionerto give the hair a great foundation.

Jane Birkin with her signature Birkin bangs

Getty

Mist in a light spritz oftexturizing spray, thenblow dry, directing the nozzle downwards.

I love how they look a little undone and wispy.

Need the perfect finishing touch?

They also look so cute paired with a headband, Marjan says.