As Sienna Miller turns 41, we take a look back at some of her best beauty moments.

Check out the 2015 Cannes Film Festival red carpet and get inspired by the best hair and makeup looks on your favourite celebrities.

The secret to Sienna Miller's effortless tousled hair? Sam McKnight just shared, while Sienna threw her head upside down for extra volumizing benefits.

The actress, Jessica Chastain, championed the female empowerment while also promoting her latest film.

Is pink hair back? Sienna Miller has debuted a new blush pink shade in her beachy blonde bob, joining Jennifer Lopez in flying the flag for pink hair, and it looks great.

Pour prendre soin de sa peau, la célèbre actrice a jeté son dévolu sur une pommade qui vient tout droit des pharmacies de l’Hexagone.

Queen of boho turned Hollywood starlet, Sienna Miller is as much a pin-up for her hairstyles as for her unique style. See her best looks

We look back over Sienna Miller's hair evolution - from pink to pixie crop.

Having been besieged by gossip and gruelling media scrutiny, the actress tells us how she finally found calm

We track Sienna's best hair & beauty looks from the beginning

Because she just has not had enough flawless covers already, Sienna Miller covers Marie Claire's latest issue, according to The Daily Mail, and she looks just as fierce as her quotes from the inside interview are. Spoiler: Sienna is not down with…

Work those curls, girl. Here are some of the best hairstyles of your oval face-curly hair combo.