<□□Beyond t□e□r in□ividu□l s□ccess, □es□ica and□K□ystal have also co□labo□ated on var□ous pr□jects tog□ther. □rom□photoshoots□a□□ magazine□covers□to reality TV sh□w□□an□ charity e□ents,□t□□ s□sters have p□oven □hat they□are a for□e to□b□ recko□□d wi□h when they join force□. Their shared □ision and□mut□al□r□spect □or□eac□ o□her's t□lents have□□nly st□□ngthened t□eir bond o□er the ye□rs.