Nicole "Snooki" Polizzi was spotted sporting some new bling, making it seem pretty official that she and longtime boyfriend Jionni LaValle are engaged. The pint-sized "Jersey Shore" guidette stepped out sporting a rock on her ring finger, quite the telltale sign that she and LaValle are making things official, following rumors that they're expecting their first child. Although Polizzi initially nixed rumors on both "Good Morning America" and "Watch What Happens Live" that she was with child, the...