Possible Clues:

• Lady of a thousand looks?
• ''Lady'' of pop
• A joke about bananas
• Hung up on, with "over"
• Pop-music superstar, for short
• Bananas
• Stefani Germanotta, a.k.a. Lady --
• Crazy lady, this singer
• It helps in playing a game to be fatuous
• Crazy artist's other half?