She’s never been much of a party girl, but the pregnant Duchess of Cambridge is expected to have an even quieter birthday than usual this year.
Kate turns 31 today, and will reportedly mark the occasion with a simple dinner at home with her husband William.
It has been a draining few weeks for Kate, who is suffering hyperemesis gravidarum, a rare complication of pregnancy that causes severe and prolonged nausea and vomiting.
In honour of Kate’s big day, here are our favourite pictures of the Duchess from the past year.

The Duchess of Cambridge turns 31 today.

Kate and William leaving hospital last month.

Kate is obviously thrilled to be pregnant.

She couldn’t hide her delight in November.

Kate in December, shortly before she announced her pregnancy.

Kate and William embracing during the London Olympics.

The Duchess in February 2012.

William and Kate in May 2012.

Kate in Tuvalu in September 2012.

Kate in April.

Kate at the Queen’s Diamond Jubilee river pageant in June 2012.

Kate and William in Singapore in September 2012.

William and Kate in May 2012.

Kate at the annual Trooping of the Colour parade in June 2012.

Kate in March 2012.

Kate in Kuala Lumpur in September 2012.

Kate at an art show in February 2012.

Kate in Tuvalu in September 2012.

Kate in Tuvalu in September 2012.

Kate and William in Singapore in September 2012.

Kate and William in Singapore in September 2012.

Kate and Camilla

Kate in Temperley on the red carpet in January 2012.
