THE Ugly Truth co-stars Gerard Butler and Katherine Heigl were forced to leave Los Angeles Four Season Hotel on Saturday after a bomb threat was made. The co-stars were at the hotel doing promotions for their new romantic comedy when the bomb treat was made through a phone call. Gerard and Heigl, along with 400 hotel guests had to evacuated from the hotel around 1:45 p.m. According to People magazine, police investigated the premises and found no unattended packages or luggage and the hotel reopened two hours later. Phew that would have been a close call HS