Power dressing in black is back

This season, the black dress is back in a big way. It's tailored, sharp and clean, says Thomas. You can wear a great black dress, like this Louben black sheath, from Nordstrom, to a business meeting and "Wow" them. Or you can wear it out at night and still look sexy. "You can be a chameleon," says Thomas, who's also a contributor to upumpitup.com.

"Pulling off the newest trends and designs is easy," says Zarie Mueller, designer at Leelush (leelush.com), a boutique on Manhattan's Lower East Side.

"Just mix simpler classic pieces so they don't compete. Or if you're bolder, mix garments of opposite styles (think biker jacket and flowy feminine dress), for a look all your own."