Round Necklines: This is a good pick for women with longer necks and narrow shoulders. Ladies with broad shoulders could look heavy in this type of neckline.
Square Necklines: Is good to wear if you would like to create the illusion of a bigger bust. It also makes the chest,neck and shoulders appear slimmer.
Boat necklines: Is good to wear if you want to bring out the broadness of the shoulders and back. It also brings out the length of the neck.
Sweet Heart Neck: Makes the bust area look smaller but more shapely. It also accentuates the neck.
V Necklines: Makes the shoulders look narrow, makes the neck look longer and makes the bust area look bigger.
These are the most common necklines used in everyday wear. Now you can pick one that suits your body the best. You can also get creative and make your own styles while keeping these tips in mind.