The Mark Fast Halter Neck Fringe Dress Jessie J wore in Domino is by Mark Fast! Mark Fast and Kimi O’Neill (her stylist) confirmed it. It is available to buy here for $2,295.00. The arm fringes are not a part of the original dress.
Source: Mark Fast and Kimi O’Neill’s twitter and fashionfiend.com
The fringe shrug is another single piece of Mark Fast’s Spring collection 2011. On the runway it was combined with another dress as you can see here.