On this episode of The Young and the Restless, Nikki decides to move out of the Chancellor mansion. She is wearing a black dress with an asymmetric zip detail that appears to be this one.
This is the Alexander McQueen Asymmetric-Zip Dress that retails for $1,845.00. Unfortunately, the dress is no longer available.
Some similar alternatives include the following.
$128.00$79.99 at Calvin Klein
*Update 3/6/11: Nikki is also wearing a red cutout headband.
It is similar to this one.
$45.00 at Amazon