Pop Quiz: All About Katie Holmes!

She just turned 30! Test your knowledge on all things Katie – from Broadway debuts to playdates with Posh!

  • Who joined Katie's husband Tom Cruise in the audience during her Broadway debut in All My Sons? | Katie Holmes

CREDIT: Joan Marcus / Boneau / Bryan-Brown / AP

Published: Tuesday December 16, 2008 06:00 AM EST

Who joined Katie's husband Tom Cruise in the audience during her Broadway debut in All My Sons?