CAGUILERA081107_01.jpgChristina Aguilera CAGUILERA081107_08.jpgWho isn't pregnant these days? Everyone's following the trend! Check out these first-look pics of pop singer Christina Aguilera - with a very noticeable pregnant belly - at Giorgio Baldi restaurant in Santa Monica. Congrats to her in advance! And hey, she still looks fantastically hip and chic... but I think her dirrty days are over. Time to be a mom!