As the gorgeous Rosie Huntington-Whiteley proves, it doesn't take much to give your basics a '70s-inspired kick. Take note of how she transformed closet basics, via a striped Joie sweater and jeans, into a standout throwback 'fit accessorizing with a floppy hat and over-the-knee boots. We love that the style doesn't feel overworked, thanks to her slouchy knit's effortless off-duty vibe. Feeling inspired? Just shop our editors' picks to channel Rosie's vintage cool.