black tie dresses can totally have slits, cut outs, and low necklines but only one at a time and depends on the rest of the gown! #blacktie #dresscode #blacktiedress #weddingguest #weddingguestdress Fit and flare Black tie dress with slit Black Tie Dress Code What Does Black Tie Mean? Zapakasa Women Black and White Satin Black Tie Dress with Slit Mermaid Strapless Long Formal Dress Formal Guide: How to Choose an Elegant Black Tie Evening Dress Lulus.com Fashion Blog Berylove Women Black Tie Dress with Slit Sheath Spaghetti Straps Long Formal Dress, Burgundy US22W