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Chrissy Teigen & 'PLL' Star Sasha Pieterse Twinning In $1k Dress

Whitney Vasquez

Usually it's considered a fashion disaster when two stars wear the same thing, but not if you're Chrissy Teigen and Sasha Pieterse.

The supermodel and "Pretty Little Liars" star were both seen sporting the same 16 Arlington dress just days apart, and both looked as rich as the $1,000 price tag.

Interesting enough, Pieterse started the trend by fiercely rocking the look three days before the model was seen in it.

The Sports Illustrated swimsuit model wore her Billie Feather emerald dress to a taping with Jimmy Fallon in New York City on Tuesday.

Walking out of her apartment with three-year-old Luna on her hip, Teigen oozed confidence. Showing off her never ending legs, she accessorized the ensemble with matching triangular shaped earrings and clear strapped pumps.

Pieterse wore the emerald green frock to Popsugar's Playground in the city on Saturday, an event Teigen came to as well but the following day.

While the "Pretty Little Liars" star rocked the look differently, she still killed it just as well as Teigen.

Pieterse -- who famously plays Alison DiLaurentis -- let her gown sit well below the knee and kept her signature blonde hair down and perfectly curled. Pairing her blue carpet look with strapped open-toed golden heels, she radiated sex appeal.

Posting the pics to Instagram, fellow "PLL" OGs Lucy Hale and Tyler Blackburn were here for her look as well!

"Girl , you look incredible. This is a lewk," Hale wrote, while Blackburn left several fire emojis.

In all fairness, Teigen and Pieterse were at the same event but on different days.

The actress showed up to the press event on Saturday, while the model came to Popsugar's Playground on Sunday.

Teigen was an honored guest and spoke on a panel about social media influence. She also bought her own guest of honor ... Luna, who absolutely stole the show!