While Serratos's Eclipse co-stars Gil Birmingham, Daniel Cudmore and Booboo Stewart remained coy about the film's start date, the actor and sometime model accidentally let the cat out of the bag.
"No word is out yet," Stewart said, to which Serratos quickly replied "No, October."
Birmingham, who plays Taylor Lautner's father Jacob Black, quickly tried to cover up the blunder.Serratos plays Bella's friend Angela in the Twilight series. She was in Australia for a Twilight convention that wrapped up over the weekend.
"We could tell you, but we'd have to kill you - like we will Christian," he said.
Photo: Summit Entertainment