We hear …

THTHAT singer Fergie (left) stayed in a two-bedroom unit at rental tower Sky on 42nd Street for a 10-day stint in September, when she wawas in town to promote her latest album. A similar pad rents for $7,7,285 a month. . . . that residential broker Michele Kleier found a gallery space at 1046 Madison Ave. for Neumann Wolfson Art.