You should always own a black pair of pants in a smooth fabric. You can wear those for a casual occasion if you pair them with a casual top. You can wear the same pair of pants for a more formal occasion if your pair it with a more satin top with sparkly jewelry.
When choosing clothes, think about what season you are in. If you look good in reds and oranges, you are a "summer" and probably will look good in any warm color (like yellow). If you look good in blues, you are likely a "winter" and look good in whites and greys as well.
If you have to wear stockings, make sure that you wear some that fit you very well and are not too large or too small. Wearing the wrong size can make you very uncomfortable and it does not look good for you if you have to adjust them in public areas.
Flip-flops are a comfortable type of footwear for casual occasions but do not wear them to work or in formal situations. Look for classy but comfortable shoes with a low heel to wear to work every day. High heels should be reserved for formal occasions, especially if you will not need to stand or walk very much.
Now that you have these fashion tips, you don't have to admire your favorite celebrity looks from the television screen. You can actually look like your favorite celebrities. There are so many pieces of clothing that you can use to achieve this look, so go out there and find them.