V- Neck
Basically, V-shaped neckline flatters almost everyone; especially people with short necks and thick torsos as it enhance the neck and elongate the body.
Use if: chest size is "B" or "C", great for full figured or hour glass shaped silhouettes Avoid if: you have small chest or over large chest.
Scoop Neck
The scoop features a low, U-shaped neckline, flattering for just about anyone. Great for: almost everyone!
Queen Anne Neck
The Queen Anne features a high collar at the back and sides of the neck, slowly curving down into a low, open heart shaped neckline. This neckline is suitable for almost every body type. Use to: elongate the body and neckline and to discreetly display a little cleavage.
Halter Top Neck
This neckline features straps that wrap around the back of the neck, leaving shoulders and arms bare. Use if: you are tall and have broader shoulders Avoid if: you have narrow shoulders or a very large chest.
Off the Shoulder Neckline
This open neckline sits below the shoulders, accentuating your collarbone and shoulders. This style is flattering for most body figure. Use if: you are well endowed and/or have a pear-shaped silhouette Avoid if: you have broad shoulders or fuller arms.
One-shoulder/Asymmetric Neck
This neckline, as the name connotes, features a single strap or an asymmetric neckline. Use to: emphasize beautiful collarbones Avoid if: you have broad shoulders.
Jewel Neck
This round neckline flows along the base of the neck, ideal for women who want to enhance the chest area. Use to: modestly enhance your chest area, Avoid if: you are already well endowed.
Square Neck
This neckline is shaped like a half square. Suitable for women who are well endowed as it cuts low without being too revealing, but is suitable for almost every body type.
Use for: modest display of cleavage.
Bateau Neck
This neckline flows with the curve of the collarbone. A relatively straight neckline, with the same depth in the front and back, opens from one inch of each shoulder. Use to: enhance chest area. Avoid if: you are already well endowed
Strapless, Straight Neck, Sleeveless
Being strapless, this gown neckline features a bodice without straps or sleeves. Use to: enhance beautiful shoulders and collarbones or a well endowed chest Avoid if: you are smaller chested.
Sweetheart Neck
This neckline, forming a heart shape at the bust line, is flattering on most women! Use if: you are well endowed, accentuating your cleavage.
Reference to: http://www.9lover.com/Dress-Necklines.html
