Reports say that Jay-Z is dieting with Beyonce while she is pregnant. According to US Weekly, a source said that the duo are maintaining a “partially vegan diet.”

Huh? What exactly is a “partially vegan diet”? Only fish and veggies? Only herbivores? Find out what the source said after the jump.

The source added:

“Jay’s trying to be disciplined, and he needs the energy to support her.”

Should all men do this?