Cisca asked in a recent comment here on the blog, "Where are Charlene, Paola and Kate?"
Little has been heard about Kate Middleton (girlfriend of Prince William) recently. (Go over to the Kate Middleton Report for an update!) I believe I read somewhere that Queen Paola of Belgium didn't participate in the King's Day celebrations this year because she had the flu.
As for Charlene Wittstock (girlfriend of Prince Albert of Monaco), this photo of her was taken a few days ago:
2013 UPDATE: Sorry, this photo has expired.