US pop diva Lady Gaga poses for photographers after arriving in Hong Kong on April 28, 2012. The eccentric star, who has a record number of almost 22 million followers on Twitter, kicked off her world tour in Seoul on April 27 and will visit Hong Kong, Japan, Singapore, New Zealand and Australia. AFP PHOTO/Dale de la Rey (Photo credit should read DALE de la REY/AFP/GettyImages)
