Kate Middleton arrived in Ipswich, England, on Monday looking beautiful in blue to officially open The Treehouse Children's Hospice.

OK! GALLERY: DUCHESS KATE MIDDLETON HELPS CELEBRATE THE QUEEN'S DIAMOND JUBILEE TOUR IN STYLE

The Duchess of Cambridge delivered her first royal public speech for the occasion, greeted the crowds and planted a tree.

OK! NEWS: KATE MIDDLETON DELIVERS FIRST SPEECH IN ENGLAND AS DUCHESS OF CAMBRIDGE

"First of all, I'd like to say thank you," Kate began her speech. "Thank you for not only accepting me as your patron, thank you also for inviting me here today. You have all made me so welcome and I feel hugely honored to be here to see this wonderful center."