Shay radiated in gold at the 2016 Teen Choice Awards.
The starlet stunned in Olcay Gulsen (and a blonde wig!) at the 2016 iHeartRADIO MuchMusic Video Awards.
Shay channeled Angelina Jolie again at the 2016 People's Choice Awards when she opted for a high neck and even higher slit in this Haney gown.
Holiday cheer? The actress went for a dark, bold look, wearing an OGLIA-LORO black lace dress at Z100's Jingle Ball 2015.
No nerves here: The actress looked confident and collected in a torso-bearing KAYAT gown at the MTV EMAs in 2015.
The star nailed a glam super-spy look at the SiriusXM Studios during New York Comic-Con in 2015.
This Versus Versace look made Shay a standout on the Teen Choice Awards blue carpet in 2015.
Shay wears a silky white jumpsuit for a good cause at the Children Mending Heart's 7th Annual Empathy Rocks Fundraiser in 2015.
She's a bonafide style star in this lacy Misha Collection crop top ensemble at the 2014 Teen Choice Awards.
No lies here—the actress brought the sexy factor to the PLL 100th episode party. Never mind that JLo has already rocked this Cushnie et Ochs LBD, we're declaring Shay the clear winner of this fashion face off.
Check out that wicked pink pout! The 27-year-old mixed playful makeup with a prim Anne Taylor frock at the 2014 PaleyFest.
At the Canadian Screen Awards in Toronto, Shay wore a Celia Kritharioti black and white gown with a plunging neckline styled with a gorgeous orange lip colour.
Mitchell attended the DirecTV Super Saturday Night in New York City wearing a leather crop top and high waisted skirt styled with a plum lip and gold metallic pumps.
The Pretty Little Liars star kept it casual in a black and white ensemble including embroidered white top and leather pants at the We Day UK charity event in London.
At the ESPN The Party in New York City, a sultry Shay opted for a LBD with a peek a boo cut out in the front.
Shay looked edgy in a Ralph & Russo Couture dress for a modern take on a LBD featuring gold metal details on the shoulders and slit.
The actress attended the H&M Isabel Marant VIP Pre Shop Event in Hollywood in a graphic blazer and red leather trousers.
The Pretty Little Liars star attended the 2013 MuchMusic Video Awards in a Clover Canyon top and matching skirt with Jimmy Choo metallic clutch.
The actress mixed pastels and neons with a Naven Vamp periwinkle blazer with neon-yellow piping, matching shorts and a neon-yellow tank top at the Paley Center in Beverly Hills.