Khloe Kardashian has come a long way since she broke up with drug-troubled hoops husband Lamar Odom — she's dumped more than 40 pounds, slashing her dress size in half from a 12 to a 6.

But the 5-foot-10 reality star, who had ballooned to more than 150 pounds, took a year and a half to shed the flab because while she worked out regul