<□2□剧□回顾□eyond t□eir individual suc□ess, □□□sica and□Krystal have□also□collabor□t□d on various projects t□□eth□r. F□om p□o□o□hoots and □agaz□n□ co□e□s □o reality TV shows a□d □h□rity □vent□, the sisters have □rove□ that t□ey□are a□force to □□ re□kone□□with when th□y □oin forces□ Thei□□s□ared □ision and mutual □espect for each other's tale□□s □ave only str□n□then□d □hei□ b□nd o□□r the y□ars.