Is her bump getting too big for plain old walking? "Jersey Shore" star Snooki, who is due to give birth to her first child with fiance Jionni LaValle later this summer, took a ride down Seaside Boardwalk on a three-wheel motorized scooter on Monday. Later, pal Pauly D was the one who had to drag the thing up some stairs and into Snooki's private house. The pint-size 24-year-old is living separately from the rest of the Guidos and Guidettes