Description:With just two months to go until Snooki welcomes her tiny guido to the world, the pint-sized parent-to-be and her fiancé Jionni LaValle embarked on a rigorous pre-natal yoga lesson with TheInsider.com while discussing the joys and woes of pregnancy. The glowing (and growing) Jersey Shore star, 24, arrived to NYC's Prenatal Yoga Center in a comfy tee and leggings (sans her usual sky-high heels), decked in full hair and make-up. Despite appearing rea(2:28)