Barack And Michelle Meet William And Kate

President and Mrs. Obama visit Prince William and Catherine, Duchess of Cambridge, at Buckingham Palace. To us, she'll always be Kate Middleton, Sister of Pippa.

• 1.

  

  (AP Photo/Toby Melville, Pool)

• 2.

  

  (AP Photo/Toby Melville, Pool)

• 3.

  

  (AP Photo/Toby Melville, Pool)

• 4.

  

  (AP Photo/Charles Dharapak, Pool)

• 5.

  

  (AP Photo/Charles Dharapak, Pool)

• 6.

  

  (AP Photo/Charles Dharapak, Pool)

• 7.

  

  (AP Photo/Charles Dharapak, Pool)

• 8.

  

  (AP Photo/Charles Dharapak, Pool)

• 9.

  

  (AP Photo/Toby Melville, Pool)

• 10.

  

  (AP Photo/Toby Melville, Pool)

• 11.

  

  (AP Photo/Toby Melville, Pool)