Jennifer Aniston has practically perfected the jeans-and-a-sweater uniform, but her accessories are usually what make those simple outfits feel a little more special. Her latest bag is proof: the slightly unexpected shape gives an otherwise classic fall look just enough personality while still feeling completely polished. The Friends alum was recently spotted in New York City carrying a black Celine half-moon crossbody bag, which she paired with a beige knit sweater, black pants and pointed-toe pumps. Her sleek designer style costs $2,995, but we found a similar crescent-shaped bag on Amazon f...