Which character is best to dress up as for choir show??? 1960's, 1970's?

my sister is performing for choir and needs to dress up as a character from either Happy Days, Lawverne %26amp; Shirley, Greene Acres... she has long black hair.

Which character is best to dress up as for choir show??? 1960's, 1970's?performing arts center

ooh, that sounds like alot of fun! She should dress as Joanie Cunningham from Happy Days. That would be a pretty recognizable character, and lot of fun for her too. Here's a picture of Joanie:

http://images.google.com/imgres?imgurl=h...

Good luck!