Robert Pattinson jokes about Kristen Stewart being pregnant

Premiere of Summit Entertainment's "The Twilight Saga: New Moon" - PartyTwilight stars Robert Pattinson and Kristen Stewart have recorded an interview for The Oprah Show, but didn’t give much away – shocker!

The interview doesn’t air until next Thursday, but audience members have been spilling the beans on what happened.

A source told MTV: “[Oprah] asked the question directly, like, ‘So, everybody wants to know!’ but they really did avoid the question,” 31-year-old Niekema said. “They both kind of looked like, ‘Uhh, are we supposed to answer this?’ and then Rob joked that Kristen was pregnant, and she joked that, ‘If I’m pregnant, then Rob’s going to have the baby.'”