Thursday, July 01, 2010 | 03:02 PM
Besides bringing the heat and good times, we've come to expect the summer to mean great concert lineups. This year, both Hot 97's Summer Jam in New Jersey and the Roots Picnic in Philadelphia didn't disappoint. We've rounded up a stylish bunch of sisters rocking their chicest summer fashions to the annual concerts. Find out how they beat the heat while showing off their personal style.