Sisters Girls Generation Jessica and f(x) Krystal have both been chosen as models for a jewelry brand.

This is the first time the sisters have worked together for a brand.

This jewelry brand has been known to work with top actresses and decided to choose Jessica and Krystal due to their classic and feminine image.

Yesterday, pictures from the ad were revealed, showing typical moments between sisters.

The official pictures can be found on the jewelry brand's homepage and Facebook.