(Photo credit: Leon Neal/AFP/Getty Images)

Two years have passed since Prince William and Kate Middleton were married at Westminster Abbey in London-but the low-key couple won't be marking their anniversary in a similarly lavish way.

In fact, they didn't even spend a good portion of the day together. In honor of Children's Hospice Week, the Duchess, 31, who is expecting the couple's first child in July, visited Naomi House, an organization that provides support to children with terminal conditions and their families. After touring the facility, she enjoyed a tea party with some of Naomi House's children and their families, where she watched a musical performance by a boy whose brother died after receiving care at Naomi House.

Click here to see all of Kate Middleton's best maternity looks

Meanwhile, Prince William, 30, who is working today on his search and rescue duties, undoubtedly has plans for his wife this evening, as the couple will celebrate their special day together at home, in private.

Their home is becoming a busier place these days, as the couple has begun preparing for their baby. This weekend, Middleton, who has said that her friends "keep texting me names," visited the posh baby boutique Blue Almonds with her mother. Creating a family has always been something that Will and Kate have spoken openly about wanting a family: "It's very important to me," Middleton has said.

· With reporting by Carolyn Durand