The annual event was full of the glitz and glamour expected from Monte Carlo, with Princess Caroline of Hanover and her daughter Charlotte Casiraghi, 35, leading the arrivals.
The Monaco royal, 44, who shares seven-year-old twins Gabriella and Jacques with husband Prince Albert, 64, shared the digital creation on her Instagram yesterday.
The South African royal visited the medical centre named after her mother-in-law Grace Kelly, where she spent time with young parents and their newborns in the maternity ward.