It's one of the puzzles in life: how to dress for the office. Add the desire to be stylish and trendy, and most women are truly baffled. But fear not: Looking stylish and trendy while still work-appropriate doesn't have to be a challenge. Jordin Sparks (pictured) makes it look downright effortless! Keep certain guidelines in mind, and you'll be known as the office trendsetter in no time.