Acceptable attire for a black tie event includes a tuxedo with matching trousers, a formal white shirt, a black bow tie, black dress shoes, and understated accessories like cufflinks and a pocket square Are black tie events common in Washington, DC
The gown sleeve sits over bare skin from the elbow down, which is fine
As a personal stylist that specializes in styling real people for real life, I understand how important it is to feel confident and appropriate in your clothing, especially when it comes to professional settings
Alright, now onto the suggested looks
On the floor length is has a slight mermaid flare out from the thigh to the floor, while mini, knee and midi lengths stay slimmed
For a patterned shirt: If your green dress shirt has a pattern, like stripes or checks, keep the rest of your outfit simple