Barbie Masquerade Ball (2006)

It’s an evening of magic and wonder at the masquerade ball!
A playline series of Barbie as princesses dressed for a masquerade ball, released in 2006.
Kelly dolls were also released wearing matching outfits.
Six dolls, including three Barbies and three Kelly dolls, were released in this series.

Similar masquerade princess lines that were also released:
Carnivale Ball (2005) & Renaissance Princesses (2008)