B□yond □heir i□d□v□□u□l□□uccess□ Jessica and Krystal□hav□ also col□abora□ed on various projects □oget□er.□From photo□□oots and m□gaz□□e □□ver□ to r□ality TV shows □nd charity events, t□e □i□ters have proven that they are a□force to be recko□□□ with w□en□□hey□j□□n forces. Their sh□□ed v□□i□n □nd mut□a□ re□p□ct□for each other's□tale□ts have only st□engthen□d their bond□ov□□ the□□ears.