I celebrated lots of celebrities' milestone birthdays this year by setting quizzes all about them. From Joshua Jackson's 30th to Madonna's 50th, take your pick of my celebrity birthday quizzes and find out how well you know your celebrities!


How Well Do You Know Prince Charles at 60?
How Well Do You Know Michael Jackson at 50?
How Well Do You Know Madonna at 50?

How Well Do You Know Owen Wilson at 40?
How Well Do You Know Kylie Minogue at 40?
How Well Do You Know Joshua Jackson at 30?