This is basically my first evening gown but un-ripped, i also made it a bit shinyer and added a necklace.
My first evening gowns can be found here:http://www.insimenator.org/showthread.php?t=19063
You wil need the mesh from here:http://www.insimenator.org/showthread.php?t=4245
Hair is included ,it is basicaly the maxis barette hair with sily bangs removed and made it darker.
Stuff that is not required but recommended
Bangs: http://www.modthesims2.com/showthread.php?t=101133
Lars sim:http://www.insimenator.org/showthread.php?p=263475#post263475