Montblanc celebrated the world premiere of the “Collection Princesse Grace de Monaco” on September 8, 2011, in Monte Carlo, Monaco. The event was held under the esteemed patronage of H.S.H. Prince Albert II of Monaco, Princess Charlene of Monaco, and H.R.H. Princess Caroline of Hanover. This exclusive collection pays tribute to the legendary Princess Grace of Monaco and includes three unique sets of fine jewelry, timepieces, and writing instruments. The Montblanc timepieces feature an opulent three-dimensional drop of pink sapphire, while the writing instruments are adorned with petal-cut diamonds, pink sapphires, and topazes. The premiere attracted many celebrities, including Naomi Watts, Daryl Hannah, Jerry Hall, Olivia Palermo, Johannes Huebl, Emmanuelle Béart, Franziska Knuppe, Elsa Pataky, and others.