Gathering up one's hair and glamorously slinging it to one side isn't terribly new. Every Hollywood screen siren back in the forties owned this sultry look, with Veronica Lake even becoming famous for it. In the last three days, though, celebrities have really embraced piling their locks to the right side. It's a micro-trend, you might say, or a totally bogus coincidence. But it's impossible not to notice that hair, perched up on a singular shoulder, there to dazzle anyone who lays eyes on it. Will she nuzzle in it? Or just leave it hanging there alone? Click through our slideshow to see all the women who tried out the look this week, plus one famous young lady among them who put hers on the wrong side. We'll keep you posted as this story develops.