Princess Charlene in Australia

Princess Charlene of Monaco kisses a young boy as she arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco looks at a display of Grace Kelly clothing during a tour of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco accepts a bouquet of flowers from children as she arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco kisses a young boy as she arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco arrives at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Princess Charlene of Monaco speaks at the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia. The late Grace Kelly was the mother of Princess Charlene's husband, Prince Albert of Monaco.

Princess Charlene of Monaco listens during the opening of the Grace Kelly exhibition at Bendigo Museum on March 10, 2012, in Bendigo, Australia.

Getty Images/Fondation Princesse Charlene

Princess Charlene of Monaco visits the Melbourne Sports and Aquatic Centre on March 9, 2012, in Melbourne, Australia.The princess is a former Olympic swimmer.

Photo by Sean O'Carrol/Fondation Princesse Charlene via Getty Images

Princess Charlene of Monaco visits Monaco House on March 9, 2012, in Melbourne Australia.

Princess Charlene of Monaco visits the Melbourne Sports and Aquatic Centre on March 9, 2012, in Melbourne, Australia. The princess is a former Olympic swimmer.