Here it is under KC's hair...
And here's mine...
Something about a denim vest screams more Joan Jett to me, so I styled mine a little tougher.
Sunglasses: H and M
Headband: Forever 21
Spiked bracelet: Abbey Dawn by Avril Lavigne
Vest: I 'Heart' Ronson by Charlotte Ronson
Tank: Banana Republic
Note: The exact vest I am wearing is I 'Heart' Ronson which is available on jcpenny.com in all sizes. Rock on girls!
Heels; Nine West