Blair gives son Arthur a boost in N.Y.C. Plus: Chace Crawford, Justin Bieber, Kristen Stewart and more

  • LIV OUT LOUD photo | Liv Tyler

Credit: Javier Mateo/StarTraks

Published: Wednesday Oct 24, 2012 | 05:00 PM EDT

LIV OUT LOUD

Liv Tyler takes it step by step in N.Y.C. with her favorite student: son Milo, 7, who has it in the backpack on Tuesday.