Possible Clues:

• -- Lennox, Scottish singer-songwriter
• 'Maybe' musical
• Vanity Fair photographer Leibovitz
• Potts of "Designing Women"
• Oakley with a gun
• Gun-toting Broadway gal
• 'By the sound of her she'd not got a lorry, but she was 2 down (5)'
• "It's the Hard Knock Life" musical
• Musical with the song 'N.Y.C.'
• Tony-winning musical of 1977