Strapless dresses have been popular for many years, maybe peoples have already tired of exposure, more and more people like to wear modest styles. 1/2 long sleeves dress is look elegant and classical.
This 1/2 long sleeves v-neckline short dress looks not only modest, but cute. Below 2 styles are full length. They are more formal then that short one. If you attend a Black-Tie Event party or a wedding party, for these formal parties you should looks elegant, then why you do not try these 2 styles. In these 2 modest long sleeves dresses you will look classical.
There are still have so many modest styles, you can search online.