As the Queen celebrates her 90th birthday, we take a look back on the monarch's best looks.

On the day she reaches the age of 90, the Queen puts the future of the monarchy front and centre in an official birthday portrait by Annie Leibovitz.

Governor-General Sir Jerry Mateparae sent a message to the Queen on behalf of New Zealanders.

Since her coronation on June 2, 1952, she has visited 53 Commonwealth countries and has worked to create a sense of belonging and family for all across her realm. She visited New Zealand 10 times.

Today marks a milestone: the Queen turns 90.

Prince William and Harry get up close and personal with the cast of Star Wars.

The clever responses from Queen Elizabeth when people fail to recognise her.

Prince William banished the ghosts of the past as he sat down with his wife on the same marble bench as his late mother, Princess Diana, at the Taj Mahal.

With Queen Elizabeth turns 90 next week, Steve Braunias wandered the mall in search of what she means to New Zealanders.

The Duke and Duchess of Cambridge have been touring India this week. They've played cricket, kicked a football, tried archery and even experienced an earthquake.

The Duchess of Cambridge is delighted by orphan elephants in India.

It was the most sombre moment of their India trip so far, and it nearly all went haywire when the Duchess had to battle to keep her dress under control.

New Zealand lamb is being sold under label set up by Prince Charles to promote best of British.

It promises to be William and Catherine's most varied foreign trip to date.

The Queen has relaunched her website.

Proud dad Prince William has revealed little Princess Charlotte has a penchant for sports.

The Duke and Duchess of Cambridge want to "create new memories" of the Taj Mahal where William's mother, Diana, defined her own loneliness.

She may come across as serious, but the Queen has a softer side.

Her startling rise up the class ladder and few royal engagements has led to the Duchess of Cambridge being nicknamed the Duchess of Do-Little.

WATCH: Kate Middleton opens up about her relationship with her in-law.

Princess Diana's former private secretary opens up about her 1995 tell-all interview.