Emily Blunt took a break from filming “All You Need Is Kill” in London with Tom Cruise to browse contemporary-art fair Frieze last week. The star was seen at a VIP preview Wednesday in Regents Park with husband John Krasinski. Rockers looking to add to their collections included Michael Stipe, Duran Duran’s Nick Rhodes and Pet Shop Boys crooner Neil Tennant. Dior designer Raf Simons and Prada CEO Patrizio Bertelli firmed up the fashionista front, and André Balazs, Chloë Sevigny and Mayor Bloomberg also perused paintings. At Frieze Masters — an inaugural spinoff offering older works — a 1970 Picasso sold for $8.5 million through New York dealer Christophe Van de Weghe.