Cultural appropriation: exchange of ideas or the politics of power?
Cultural appropriation is defined as 'the unacknowledged or inappropriate adoption of the customs, practices, ideas, of one people or society by members of a typically more dominant people or society'. Gucci's models recently wore turbans on the catwalk. Kim Kardashian's cornrows have also sparked debate. So what's okay and what's not? BBC Minute's Sylvie Carlos examines the issues.