Possible Clues:

• She always had a bad hair day?
• Her look gave one a hard look
• G or G this for a look of stone
• At me, hundreds in the States might give you a stony stare
• With snaky locks for the States at last
• Amused like Greek Gorgon
• She may be amused, despite her stony looks?
• You'd have got a hard look for her in 24 down at last (6)
• Amused by Greek Gorgon
• Her looks were petrifying