If Keira Knightley...

  1. if Keira Knightley had a talk show it would be called Keira Knightley
  2. if Keira Knightley had sleeping pills they would be called Keira's Knightleys
  3. if Keira Knightley had pyjamas they would be called Keira's Knighties
  4. if Keira Knightley was a chef she would have Keira's Knifies
  5. if Keira Knightley had a time machine she would live in the Keira Knineties
  6. if Keira Knightley had a shoe line they would be called Keira's Knikes
  7. if Keira Knightley was a cat she would have Keira Knine-lifies
  8. If Keira Knightley acted chivalrous she would be Keira Knight-ly.
    Suggested by   @MatthewAlmont