Julia Roberts is not pregnant, and doesn't plan to ever be pregnant again.
"No!" Roberts, 46, answered when the Late Night host asked her if there was "any chance" that she'd give her three children a sibling.
Rumors that the actress, who is already a mother to twins Hazel and Phinnaeus, 9, and son Henry, 6, was expecting her fourth child began earlier this month when she was spotted in a baggy sweater after a streak of wearing a loose-fitting dresses to events.
During Letterman's show, however, the Oscar-winning actress showed off her slim figure in a black pantsuit. In addition to addressing the gossip Roberts and Letterman also discussed the upcoming 25th anniversary of Mystic Pizza and how he forgot to send her flowers for her last birthday.