Well here's something you don't see every day. At least not from this time period. Sellers posting similar pics on Ebay often describe them as 'gay interest'. Huh?
It's more likely just a fun loving 'women's group' playing dress up for some special event.
The following close ups will show that they were indeed posing as none of the cigarettes appear to be lit.
Makes perfect sense for the young lady pictured below. Don't see how one can puff on a cancer stick and properly play the ukelele at the same time .