All the models for photo, in exhibitions or fashion shows are too skinny, too bony IMO. I guess this is the era of slimming pills and slimming centres, but bust enhancement.
Marilyn Monroe ain't skinny. She got the perfect figure for that epoch.
Going further back in history, some of the Renaissance Art by Rubens for example showed women in larger proportion.
Now, looking at the athletes in the beach volleyball - some of the look in fantastic shape - some muscles and a wee bit of fat........