The 22 singer joined a whole host of celebs at the star-studded bash, but ensured she stood out from the crowd in a sparkly floor-length frock.
Taylor looked positively stunning in her figure-hugging number, which was completely covered in black sequins and had a demure high neckline and long sleeves.
Her fancy frock also featured a mesh back, revealing just the right amount of skin.
The American starlet channelled ladylike chic by sweeping her fringe to one side and styling her new bob in a sleek, glossy 'do with a slight hint of a wave.
On her nails, Taylor opted for Hollywood red to match her vibrant pillar-box pout, and she toted a boxy metallic clutch.
The songstress also flaunted flawless make-up with bronzed cheeks and smoky grey eyeshadow, plus her trademark feline flick and mega-watt lashes.
She can do no wrong!
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