Clothing help

[idrach]

Can anyone tell me what this style of jacket is? I've been looking for a pleather version of it but I don't know what the style is called.
http://i11.photobucket.com/albums/a179/Idrach/sarahjunoawards.jpg

Also, what do you call the halter piece Megan Fox is wearing in this picture?
http://megan-fox.net/gallery/displayimage.php?album=92&pos=0