The City star looked positively radiant sans slap while running errands in a sporty ensemble over the weekend (4 April).
Then again, if we had a hunky TV producer fiancé, we'd be glowing too...
Whitney became engaged to Tim Rosenman - who was the associate producer on The City - in November 2013. Although the pair met on the show, they didn't start dating until a few years later.
Taking to the LA sidewalk, fashion designer Whitney showed off her naturally flawless skin (jealous!) by ditching the foundation and skipping the blusher and bronzer.
She also showcased bare peepers without any eyeliner or mascara, along with well-groomed brows and rosy lips.
Her super-long blonde locks were left sleek and straight and she tucked a floral clutch bag under one arm while flaunting a bright red mani.
The starlet kept her outfit pretty low-key too, pairing a monochrome sweatshirt with plain black trousers.
And while most LA girls like to teeter along in towering heels, Whitney opted for comfy black, grey and coral trainers - perfect for dashing between important design meetings!
What do you think of Whitney's outfit? Let us know by commenting below as the best comment across the site each week wins £50!
Celebs who have announced engagements in 2014:
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