Possible Clues:

• Is one and one unbalanced?
• Silence a lady of pop!
• A joke on reflection is crazy
• Lady who sings 'Bad Romance'
• "Bad Romance" Lady
• Joke about lady on stage
• Lady in a senile and repetitive state?
• Lady __ (pop singer)
• Joke answer found in crackers
• Good articles about government can become unbalanced