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Sarah Hyland shows off red hair — see the new 'do!

Talk about summer sizzle! Sarah Hyland rocks fiery-red strands in a new Instagram post.
/ Source: TODAY

Talk about summer sizzle! On July 21, Sarah Hyland turned up the heat, debuting a fiery new hair color via Instagram. To say we were floored by her flowing, red locks is an understatement.

But after the initial shock wore off, we actually read the caption, which revealed that her hair wasn’t the result of a trip to the salon, but rather a wig for an acting role. Hyland will play Seelie Queen in two episodes of Freeform's supernatural drama “Shadowhunters” (airing Aug. 7 and 14). Guess that explains the fantastical face makeup and elf-like ears.

But if her spicy strands aren’t permanent, what’s next for the the 26-year-old? Will she return to her lightened crop or perhaps go back to her darker roots? Only time will tell. While awaiting her next move, take a look at some of her most memorable looks from the past.

See her past looks:

Hyland sported slicked-back strands and an Audrey Hepburn-inspired ensemble at the Vanity Fair and Fiat Toast to "Young Hollywood" on Feb. 1, 2015.

Sarah Hyland hair
Hyland arrived at the "Young Hollywood" party in Los Angeles in a sleek updo.Amanda Edwards / WireImage

She arrived at the Emmy Awards sporting a spring-ready shag with warm blonde highlights.

Sarah Hyland hair
Hyland walked the Primetime Emmys red carpet on Sept. 20, 2015.Jason Merritt / Getty Images

Her side-swept ‘do and dark lip at amfAR's Inspiration Gala in October 2015 epitomized Old Hollywood glamour.

Sarah Hyland hair
The actress wore smoldering makeup and a soft hairstyle at amfAR's Inspiration Gala.Steve Granitz / WireImage

She looked lovely in high bun and feminine lace frock at ELLE's 6th Annual Women in Television Dinner on Jan. 20, 2016.

Sarah Hyland hair
Hyland's high bun showed off the dramatic back of her dress.Jon Kopaloff / FilmMagic

In April 2016, she said hello to the dark side, dyeing her hair chocolate brown to get into character as Lisa Houseman in the TV remake of "Dirty Dancing."

She posted a picture of herself rocking a deep-red hue on Instagram on June 17, 2016. According to Hyland’s caption, the look was a tribute to her “Dirty Dancing” co-star Debra Messing.

A side part and soft waves defined her look at the Critics' Choice Awards on Dec. 11, 2016.

The 22nd Annual Critics' Choice Awards - Red Carpet
Hyland opted for a flapper-inspired look at the 22nd Annual Critics' Choice Awards.Jeff Kravitz / FilmMagic

On March 3, 2017, the actress showed off strawberry blonde waves — and hinted at yet another tress transformation.

As a creative director for Candie's shoes, Hyland donned a blonde bob when she kicked off the brand’s back-to-school campaign on July 17, 2017.

Sarah Hyland hair
Can she wear any hair color? Looks like it!Emma McIntyre / Getty Images for Candie's

We love her bold, fearless style!