Her father, Prince Andrew, is also in Sydney for a speaking engagement for entrepreneurs at the Sydney Opera House.
According to onlookers, Princess Beatrice looked seemingly unphased that she had left her multi-millionaire property tycoon boyfriend Edoardo Mapelli Mozzi on the other side of the world, as she addressing the crowd in a chic black jacket and monochrome dress.
News of the royals latest romance has only just emerged, but it seems that the couple is moving fast with friends saying that they could be engaged very soon.
The 34-year-old father-of-one met Princess Beatrice through a mutual friend, and Beatrice has already introduced him to her parents, Prince Andrew and Sarah Ferguson.