Prince Harry refers to his baby and Meghan Markle's at the Opening Ceremony of the Invictus Games

Prince Harry is a proud father in the making.

The 34-year-old quoted his wife and his pregnant wife. Meghan MarkleThe imminent arrival of this man will be at the opening ceremony of the 2018 Invictus Games at the Sydney Opera House on Saturday. Last weekend, the Duke and Duchess of Sussex traveled to Australia to begin their first royal tour. A few hours after landing in the country, Kensington Palace announced that the two children were expecting their first child.

"Thank you for the welcome you have given me and Meghan these past few days," Harry told the crowd. "I was so proud to be able to introduce my wife and we were so happy to be able to celebrate with you the personal joy of our new addition."

After delivering his speech, Harry joined Meghan, 37, in the audience. The Duchess was all smiles in Stella McCartney's navy blue cape dress and Gillian Anderson's matching coat for Winser London, which she paired with Stuart Weitzman's pumps. She was wearing her hair in her signature messy bun.

Meghan wore the same dress to Harry's grandmother Queen Elizabeth IIThe 92nd anniversary concert in April.

Earlier in the day, the Duke and Duchess arrived together at the Sydney Opera dressed in the matching Black Invictus Games shirt.

Meghan sat in the front row of the outdoor hall and watched as Harry practiced his speech.

Harry, who served in the British Army for 10 years, founded in 2014 the Invictus Games, an international Paralympic sporting competition for military personnel and injured or sick veterans.

"These Games were created for our men and women in uniform, tailored to their talents and needs, designed not only for them, but for the friends and families who supported their recovery and who have changed their lives forever, "said Harry in his speech. "Over the past four years, the Invictus Games have become far more than the thousands of competitors that have participated."

"Invictus has become an example of service and dedication that our competitors have brought to the world," he said. "Our Invictus family has made these games a symbol of strength, honor and optimism for the new generation."