Beyond □heir ind□vidual succe□□, □es□ica□a□□ Kr□stal have a□s□ collaborated □n□vario□s projects t□gether. F□□m p□□□o□□oots and magazine covers to re□lity TV sho□□ and□c□□rity eve□ts□ the□s□□t□rs have pr□ven that they are a□force to b□ □eckoned with when they jo□n □or□es.□Thei□ sha□ed v□sion and □ut□al □□spe□□ for each other's□talents □ave □nl□ stren□thened their bond ov□r the years.