Ashley Greene

Right before this Twlight star called it quits with boyfriend Joe Jonas, she started rocking a darker and edgier hair color. Perhaps, foreshadowing what was to come...

Ashlee Simpson

Waters says that getting positive results from a change in your appearance will help boost confidence. Considering how fierce Ashlee Simpson's looked lately, we're guessing she's gotten tons of positive feedback with her post-divorce pixie.

Winged Eyeliner

With so many retro-inspired collections popping up on the runways this season (Chris Benz SS'12, anyone?) it's no surprise that winged eyeliner is experiencing a full-blown revival. Take a cue for 2012 from winged eyeliner pro, Lauren Conrad, by rocking the '60s makeup trend with a slightly less exaggerated look that's versatile for day and night.

Eat Around The Clock

Skipping meals can lead to doubling up on portions later on. Dr. Lipman suggests making lunch your largest meal "because your digestion peaks at mid-day, and it should include protein to maintain alertness. Dinner should be your smallest meal, because your digestion slows down at night. Dinner should include protein, greens and a healthy grain - the carbs will facilitate relaxation."

Exfoliate

Although most people are more prone to dry skin during the colder months, don't go overboard when it comes to exfoliating. Dr. Zeichner recommends exfoliating just once or twice a week so as not do damage skin since it's more fragile during the winter.