Finished up with a jam-packed promotional stay in New York City, Lauren Conrad packed her things and boarded a plane at JFK Airport on Thursday afternoon (October 7). The former "Hills" star busily pecked away on her mobile phone as she passed through the terminal, ready to head home to Los Angeles as she continues to do press duties for her two new books, Sugar and Spice and the Lauren Conrad Style Guide. Once back home, LC is set to attend a book signing session at Barnes & Noble at the Grove in LA on Friday night (October 8) at 7PM. From there, it's off to Redmond, Washington followed...