Iman has been very active on social media during America's Memorial Day weekend and has given fans a glimpse at her home "library" as well as a loving tribute to her late husband David Bowie.MORE: David Bowie's daughter Lexi shaves off gorgeous locks – see mum Iman's reactionTaking to Instagram on Saturday, the mother-of-one shared a selfie of herself looking stunning. The model wore a simple black shirt with an open collar, which highlighted a gold necklace that Iman was wearing.