MONTE-CARLO, MONACO - MARCH 18: Princess Charlene of Monaco, Princess Gabriella of Monaco and Prince Albert II of Monaco attend the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)

MONTE-CARLO, MONACO - MARCH 18:  Princess Charlene of Monaco, Princess Gabriella of Monaco and Prince Albert II of Monaco attend the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco.  (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)

MONTE-CARLO, MONACO - MARCH 18: Princess Charlene of Monaco and Princess Gabriella of Monaco attend the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)

MONTE-CARLO, MONACO - MARCH 18:  Princess Charlene of Monaco and Princess Gabriella of Monaco attend the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco.  (Photo by Pascal Le Segretain/Getty Images)

MONTE-CARLO, MONACO - MARCH 18: Princess Charlene of Monaco attends the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)

MONTE-CARLO, MONACO - MARCH 18:  Princess Charlene of Monaco attends the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco.  (Photo by Pascal Le Segretain/Getty Images)

Princess Charlene of Monaco (L) and Prince Albert II of Monaco (R) salute young rugby players during the International Rugby tounament of Monaco on March 18, 2017 at the Louis II Stadium in Monaco. / AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

Princess Charlene of Monaco (L) and Prince Albert II of Monaco (R) salute young rugby players during the International Rugby tounament of Monaco on March 18, 2017 at the Louis II Stadium in Monaco. / AFP PHOTO / VALERY HACHE        (Photo credit should read VALERY HACHE/AFP/Getty Images)

MONTE-CARLO, MONACO - MARCH 18: Prince Albert II of Monaco and Princess Charlene of Monaco pose with the Monaco Team during the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)

MONTE-CARLO, MONACO - MARCH 18:   Prince Albert II of Monaco and Princess Charlene of Monaco pose with the Monaco Team during the Sainte Devote Rugby Tournament on March 18, 2017 in Monte-Carlo, Monaco.  (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)