Katie Holmes read the top 10 list on Letterman last night to kick off a busy evening in the city with her husband Tom Cruise. She left The Late Show theater with an enormous bouquet of flowers, which she ditched in time to take in a showing of the Green Day musical American Idiot on Broadway. The night of theater should come in handy for Tom, since his next big-screen role is the movie adaptation of the play Rock of Ages. They then reunited with daughter Suri Cruise, who just had a huge fifth birthday party ahead of her actual big day next week. Tom, Katie, and Suri next grabbed dinner at Il Contonori, where they met up with pals Jon Bon Jovi and his wife Dorthea.