Stella McCartney has launched her second fragrance, L.I.L.Y. The name of the perfume is an anagram for "Linda I love you" — a phrase Stella remembers her father Paul McCartney often saying to her mother Linda. L.I.L.Y was inspired by the combined scents of Lily of the Valley and, surprisingly, truffles; "I find the smell of truffles to be very sexy," Stella tells us. "They’re so rich and luxurious, so masculine and sensual. And so it became the signature for the fragrance, adding a whole new…