Gallery: 10 celebrity hashtags that went viral (BANG Showbiz)This is the second time in a month the 28-year-old star has criticised Facebook. A few weeks ago, the 'Wolves' singer claimed she was left "speechless" after the Center of Countering Digital Hate accused the organisation of continuing to allow "Neo-Nazis" to sell "racist products" on Instagram and Facebook, despite the platforms having been notified about the posts.