Katy Perry in Purple Leger

Out for another event to promote her Purr perfume - this time in Cologne, Germany - Katy Perry once again co-ordinated with the purple bottle in a violet Leger bangage dress at the March 11 event.

A sleek ponytail up-do and the same silver Brian Atwood pumps, that were seen on Emma Roberts a few days back, completed her fab look.

Katy's CrissCross Herve Leger costs $1,450.00 at nordstrom.com.

Pic from katypix.com