Mom-to-be Jessica Alba reveals secret on Tyra.

The actress and the talk show host both admit their love of the slimming undergarment known as Spanx on this Friday's episode. Jessica appears for the entire hour to talk about her new movie, The Eye, and her pregnancy.

As we mentioned yesterday, Tyra enlisted MomLogic to help surprise Jessica with a baby shower full of fabulous gifts. We didn't want to leave you out, so check back tomorrow to win some of the gifts featured on Tyra.