Kate Middleton & Prince William Commemorate WWI Battle with Prince Harry

Kate Middleton attends a military-led vigil to commemorate the 100th anniversary of the beginning of the Battle of the Somme on Thursday (June 30) at the Thiepval memorial to the Missing in Thiepval, France.

The 34-year-old Duchess of Cambridge was joined by her husband Prince William and his brother Prince Harry.

The war memorial honors 72,195 missing British and South African servicemen who died in the Battle of the Somme.

FYI: Kate is wearing a Missoni coat.

25+ pictures inside of Kate Middleton and Prince William at the vigil…