Man-Kong, Mary.

Best friends rock! / Barbie, the princess & the popstar : best friends rock! adapted by Mary Man-Kong ; illustrated by Ulkutay Design Group. - New York : Random House, c2012. - 32 p. : col. ill. ; 21 cm. - Barbie, the princess & the popstar .

"Based on the original screenplay by Steve Granat and Cynde Clark."

Princess Tori, who wants to be a famous singer, meets pop star Keira, who wants to be a princess, and they decide to trade places.

ISBN: 9780307976215 (pbk.)

Subjects--Topical Terms:
Barbie (Fictitious character)--Fiction.
Princesses--Fiction.
Rock musicians--Fiction.
Mistaken identity--Fiction.