Question: things to do after formal?
Answer: Go Down-Market in Upmarket Clothes. Dancing brings on a hearty appetite and there's nothing more hilarious than heading to the local diner dressed in fancy clothes. ... 
Supervised House Party. ... 
Late-Night Movie. ... 
Go to a Club. ... 
Bonfire on the Beach. ... 
Casino Night. ... 
Get Physical. ... 
Cruise the Night Away.