Levi Johnston wasted no time finding a date to the Teen Choice Awards in Los Angeles on Sunday after breaking off his engagement to Bristol Palin. The Alaskan romeo showed up on the red carpet at the event as the plus-one to singer Brittani Senser. However, sources tell me Levi actually had his eye on another lady in attendance: Sandra Bullock. "All night long Levi was trying to get close to Sandra," an award show insider tells me. "He desperately wanted to get his picture taken with Sandra hoping it would show up on the cover of a magazine or...