Possible Clues:

• Good name for a Russian runner, perhaps
• Jackie's couturier
• One with designs on Jackie?
• Colleague of Yves and Calvin
• Fashion guy who wed Gene Tierney
• Cassini who created the so-called 'Jackie look'
• Name related to Helga
• '2 Broke Girls' diner cook
• 'The Americans' K.G.B. officer ___ Burov
• Cassini who designed for Jackie Kennedy