ahhhh!!! i'm in love, again. and again, why did i never take up dance...? not that that would help me with the $795 price tag...
donna karan knot-front top at net-a-porter.com

by following, i mean in date and time;-). i have a tee like this from bluefly.com and i love it! of course, it was a tenth of the price...
http://www.net-a-porter.com/product/46325

long-sleeve tees so rarely get the attention to detail they deserve...this, and some of the following, are fabulous efforts!
rick owens lilies twist-front jersey top @ net-a-porter.com

if i try hard enough, i may at least be able to fantasize about sweating and plieing across a stage with a perhaps younger, mikhail baryshnikov...

issa silk jersey wrap top at net-a-porter.com