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Hot mama! Blake Lively's sleek new hairstyle is impossibly glamorous

Blake Lively just debuted a stunning, new lob — but is it here to stay?
/ Source: TODAY

Did Blake Lively just get her most dramatic haircut ever?

The actress, 30, sported a gorgeous, shoulder-length bob at a recent screening of her new drama, “All I See Is You.”

She exuded classic Hollywood glamour with the flirty lob, pairing it with a figure-flattering white blazer, slit skirt and sparkly pumps, rounding off the look with a sultry red lip. (We think she’s channeling Hollywood legend Lauren Bacall!)

Blake Lively
Blake Lively showed off a new lob at a screening of "All I see Is You" on Oct. 10. But is it here to stay?Blair Raughley/Invision/AP

We’re obsessed with her short ‘do, but the jury is still out as to whether it’s permanent: It looks like she may have pinned her long locks up for the night.

Getting such a drastic chop would certainly be a major hair transformation for Lively, who is known for her long, flowing blond strands.

See her past hair looks:

She sported long, platinum hair at the premiere of her breakthrough movie, “The Sisterhood of the Traveling Pants.”

Cast Of "The Sisterhood Of The Traveling Pants" At Planet Hollywood
Lively showed off her long, platinum hair at the premiere of "The Sisterhood of the Traveling Pants" on May 25, 2005 in New York City.Getty Images

She briefly tried out life as a redhead, sporting flowing, mermaid-inspired waves at the Time 100 Gala in 2011.

TIME 100 Gala, TIME'S 100 Most Influential People In The World - Arrivals
Do you remember her as a redhead?Getty Images

By 2014, the actress had found her signature hairstyle — long waves with plenty of body and subtle highlights.

Lively sported her signature long, blond strands at the Cannes Film Festival in 2014.
Lively sported her signature long, blond strands at the Cannes Film Festival in 2014.Getty Images

Last Valentine's Day, Lively got creative and wove her hair into a heart for a L'Oreal event.

L'Oreal Paris & Blake Lively Host #LOrealLoves Event
Such a cute idea!Matthew Eisman / Getty Images for L'Oreal

Then, of course, there are all the times she made a simple ponytail look impossibly glamorous.

Blake Lively hair
Lively knows how to rock a ponytail, seen here at the Cannes Film Festival in 2014.Getty Images

We're not sure if her latest, shorter look is here to stay, but we do know she will always give us serious hair inspiration!