Busty blonde Anna Nicole Smith had to be escorted from another stage last night when organizers of the VH1 Big in '04 awards feared she was about to remove her top. The oddball model, who appeared unstable and slurring at last month's American Music Awards, showed off a giant bra she "used to wear" before her lost weight on the TrimSpa diet. But when it looked like she was about to show off her breasts before TV cameras at the Shrine Auditorium in Los Angeles, a VH1 crewman was sent out to escort her off the stage. One man who...