What happened to Stereotypical Barbie?

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Across
  1. 2. Found in a detective investigation
  2. 5. Hearts
  3. 6. Let's go party
  4. 8. Barbie's favourite colour
  5. 9. Numero Uno
Down
  1. 1. Don't forget
  2. 3. Rainbow
  3. 4. & Beyond
  4. 6. Library
  5. 7. Opposite of telling the truths