What's Her Best Look?

The star debuted new heavy bangs to her already sleek bob this week.

The Oscar winner showed off new eyebrow-grazing bangs at an event in Los Angeles this week.

The star showed off her sleek bob this week – a big change from her usual long locks.

The Enchanted actress cast a spell over N.Y.C. last week – appearing at one event with super-straight hair, while wearing retro curls to another.

The actress lopped off her shoulder-length blond curls to debut a punky cropped ‘do this week.

The rapper told PEOPLE that the decision to cut her hair off was inspired by her recent 29th birthday, saying “I’ve been long so so long, I was just ready!”

The edgy actress debuted a new set of shaggy bangs at an event in N.Y.C. this week.

The multi-tasking singer usually complements her platinum hair with bold penciled-in arches, but this week she turned up with bleached-out brows.

The actress pinned her hair up for her Rendition premiere in Los Angeles, but let her straight hair flow over her shoulders at the BAFTA event last week.

The Spanish star debuted new heavy blunt bags this week – a marked departure from her usual softer style.

The actress showed off her side-swept bangs in September, but then decided to pull them tightly back with a headband at an event this week.

Known for her ever-evolving hair color, the formerly purple-haired British singer debuted a jet-black hue this week.

The actress showed off a light brunette bob this week after years of jet-black locks.

After nine months of being platinum blonde, the Spice Girl returned to her natural brunette color.

While filming the highly anticipated Sex and the City film, the star changed her hair from bright blonde to deep brown in the course of one day – thanks to a wig!

The blonde actress donned a long brunette wig for her new role in Hippy Shake.

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The star switched up her look from a light brown with an auburn tinge to a dark, almost black color for a night out in New York.

The singer showed off loose waves at the VMAs, but turned up with pin-straight hair at the Hollywood Style Awards a few weeks later.

The actress showed off a new haircut – complete with shaggy bangs – at an event in Hollywood this week.

The Grindhouse star changed up her standard dark brunette color to a bright strawberry blonde last week.

The budding actress dyed her hair platinum a month ago, only to return to a dark auburn last week.