According to Media Stakeout, Janice Dickinson exploded and called Tyra a “big forehead B—-”.

It all started last week when one of MediaTakeOut.com’s most trusted Hollywood snitches ran into Janice at [a Los Angeles restaurant]. Our source managed to ask Janice what she thought about Tyra’s weight loss.

That’s when, according to our spy, all hell broke loose. The spy tells, “She was like, ‘who cares how much that big forehead [B Word] weighs … all the weight comes from her big ...