I'm not the authority by any means but that looks like a few steps. I also suspect there are many different ways to achieve that effect - blur, transparency, masks and such.
_______________ "To announce that there must be no criticism of the president, or that we are to stand by the president right or wrong, is not only unpatriotic and servile, but is morally treasonable to the American public." ---Theodore Roosevelt
You can have a better effect yet if after the blurring opacity change and masking (if necessary, cos i dont think this is the case) you make the opacity even a little lower and move the layer a little (very little). Usually afterwards i try to play with the layer modes as well (instead of normal, soft light for example)
Legs? Man take a look at those brazilian asses people, american team doesnt envy a lot, but yeah brazilian have sweet asses (lucky my country is next to it)