Rachel Uchitel, the alleged former mistress of Tiger Woods, has revealed she is five months pregnant with new husband Matt Hahn's baby. News of the reality TV star's reported romance with the golf superstar led to Woods' infidelity scandal, which ended his marriage to model Erin Nordegren. Reality TV star Uchitel took to Twitter.com on Wednesday (28Dec11) to announce the baby news, posing for a picture and showing off her baby bump.