Royal Wedding

Royal Wedding is the upcoming eleventh novel of The Princess Diaries. It is set to be published on June 2, 2015 by William Morrow.

Description
"In ROYAL WEDDING (Princess Diaries XI), Princess Mia’s planned nuptials to longtime love Michael Moscovitz are in jeopardy when the paparazzi uncover a startling secret: Mia has a long lost younger sister.

Now a scheming politico is using the royal scandal to force Mia’s father from the throne, leaving Genovia without a monarch. . . unless Mia can prove to everyone—especially herself—that she’s finally fit to rule."