To celebrate the actress' 78th birthday, take a look back at her standout style over the years.

Mirren wears Burberry on the cover with stylist Nicola Knels adding Dior, Dries Van Noten, JW Anderson, Loewe and more to the fashion mix, lensed by Liz Collins.

God Bless the Queen

Dame Helen Mirren at 70 yrs old

Over the course of her six-decade-long career, Helen Mirren has become one of the biggest names in Hollywood and one of the most respected people in the business. She has picked up an Oscar, a Golden Globe, four BAFTAs, five Emmys, and one Tony award along the way. It's no wonder she is widely considered to be one of the greatest actors of her generation. #HelenMirren #celebrities #transformation #actress

Clearly, age is just a number for Helen Mirren. The 69-year-old actress was spotted swimming and sunning in a chic lilac bathing suit while on vacation on the island of Ischia on Thursday,...

Don't let anyone tell you that age is not just a number because there is still so much choice when it comes to hairstyles and haircuts for women over 60.

The 72-year-old actress said Ivanka's new book Women Who Work is 'so ignorant about how the majority of women live', noting that the First Daughter has 'no substance'.

Dame Helen Mirren is a style chameleon—but she also knows what works for her. We've rounded up 37 of her best hairstyles.