▁event ▁has ▁been ▁held ▁at ▁the ▁Gros ven or ▁House ▁Hotel ▁on ▁Park ▁Lane , ▁London . ▁The ▁Queen ▁is ▁often ▁in ▁attend ance . ▁ ▁In ▁recent ▁years , ▁the ▁ball ▁has ▁been ▁featured ▁in ▁the ▁B yst ander ▁section ▁of ▁Tat ler . ▁ ▁Dance ▁and ▁dress ▁The ▁Royal ▁C aled onian ▁Ball ▁dress ▁code ▁st ip ul ates ▁that ▁male ▁at ten de es ▁wear ▁High land ▁evening ▁dress , ▁evening ▁t ails ▁with ▁white ▁tie , ▁or ▁mess ▁dress . ▁Women ▁should ▁wear ▁floor - length ▁evening ▁dress ▁or ▁mess ▁dress ; ▁tart an ▁s ash es ▁are ▁encourag ed . ▁ ▁Origin ally , ▁men ▁wore ▁full ▁evening ▁tart an ▁while ▁women ▁were ▁dressed ▁in ▁while , ▁with ▁a ▁tart an ▁s ash . ▁Indeed , ▁it ▁was ▁the ▁only ▁soci ally ▁acceptable ▁opportunity ▁to ▁wear ▁full ▁tart an ▁outside ▁Scotland . ▁ ▁The ▁event ▁is ▁known ▁for ▁its ▁Scottish ▁country ▁dan cing , ▁and ▁it ▁is ▁traditional ▁for ▁guests ▁at ▁the ▁ball ▁to ▁dance ▁every ▁re el : ▁ ▁Trad itionally , ▁the ▁Duke ▁and ▁Duch ess ▁of ▁Ath oll ▁are ▁the ▁first ▁couple ▁to ▁start ▁the ▁dance , ▁followed ▁by ▁his ▁private ▁army , ▁the ▁Ath oll ▁High land ers . ▁ ▁Char ities ▁The ▁ball ▁supports ▁numerous ▁char ities ▁in ▁Scotland ▁and ▁has ▁raised ▁an ▁estimated ▁£ 3 ▁million ▁since ▁its ▁in ception . ▁ ▁Among ▁the ▁char ities ▁the ▁ball ▁supports ▁are ▁Queen ▁Victoria ▁School ▁in ▁Dun bl ane , ▁Er sk ine ▁Hospital