The Princess Diaries is written by Meg CabotMeg Cabot wrote UnderworldUnderworld was released 2012. 2012 is produced by Harald Kloser
[Human]: Do you like the movie The Princess Diaries?  I watched it with my daughter several years ago. [Assistant]: Yes it was written by Meg Cabot great movie [Human]: Did Meg Cabot write Underworld as well?  I have not see that yet. 
that is correct it was released in 2012