Nicole Kidman is seen celebrating her younger sister Antonia’s 55th birthday with a private trip on a luxury yacht, according to multiple reports. The 59-year-old actress boards the yacht with her family to spend the day taking in views of the Italian Riviera. Photos described in the articles show Kidman arriving at the vessel as part of the group attending the occasion. The reports also reference ongoing media speculation about Kidman’s personal life, including rumors that she is romancing a “high-profile businessman,” but they do not provide additional verified details in the accounts provided. Overall, the shared focus across the sources is the birthday outing and the setting of the Italian Riviera, with Kidman and her family spending time together on the yacht to mark Antonia’s milestone birthday.