During their Osaka concert, Super Junior's Donghae found a few seconds to have some fun with labelmate Sulli from f(x) with a series of adorable selcas. "With Sulli before the concert in Osaka^^," Donghae tweeted.�In the photo-booth shots, both Donghae and Sulli are dressed similarly and pose in a variety of wacky shots, looking like two siblings with their similar large eyes and well-shaped jawline. "Both of you are so cute! You do look like siblings," enthused a netizen. "Sulli keeps on getting prettier," said another. Super Junior is currently in Osaka for their 'Super Show 4' concert. Source: Star News