Inside a "source" claims Miley 'told Justin [Bieber] she thought she could be pregnant and he freaked out, telling her there was no way he could have a child. It would ruin their careers."

Also, apparently when Selena Gomez, who was allegedly pregnant with Bieber's child in 2012, found out, 'She flipped out," the source said. 'She put all the blame on Miley, believing she seduced him just to get pregnant with his child."