For an easy school/office look, a twisted bun works well with a ruffled collar.
Image via Imaxtree
Image via Imaxtree
Long hair? Add some interest to a loose pony with a twisted knot at the end.
Image via Imaxtree
Image via Imaxtree
Everyone could use a nice messy bun to go with their bright red fur coats, right?
Image via Imaxtree
Image via Imaxtree