Trends come and go, but a black crossbody stands the test of time. The bag is literally always 'in,' but if you don't believe Us, take it from Sandra Bullock aka the queen of sleek dressing. She's frequently spotted running errands with the classic bag style, and we found her timeless crossbody look for only $25. A few weeks ago, Bullock wore her crossbody bag with a long-sleeve top, trousers and oversized sunnies. The purse gave her outfit a laid back yet polished flair, making her appear effortlessly cool.