Stars’ Best Day-to-Night Fashion Looks

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Brittany Snow

"One of my favorite things to wear is a t-shirt and when you're running out the door you can put a blazer with it," says Pitch Perfect's Snow, who dressed up the look for a 2013 Grammy bash in L.A.

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Louise Roe

The Fashion Star host and stylist makes everyday blouses stand out for date night. "I button blouses all the way up," says Roe. "It makes the look of-the-moment." An easy way to stand out in this look without going broke? "Buy a bejeweled Peter Pan collar and add it to a shirt you already own," suggests Roe.

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Julianne Hough

"I love a good short leather jacket because that goes with everything," the actress tells Us of the wardrobe staple. "I like leather pants as well because you can either dress them up or be really casual during the day." Hough's favorite way to polish off her leather look? A great pointy heel!

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Sophia Bush

Take a cue from the actress and jazz up a basic daytime blouse and black pants combo by adding a statement necklace.

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Katie Holmes

Perfect to go from cubicle to cocktails, a leopard coat like Holmes' is a worthy investment piece. "Think of your leopard coat as a neutral and wear it with anything," Us Weekly Fashion Director Sasha Charnin Morrison suggests.

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Jessica Simpson

When in doubt, always add sparkle! Out for lunch with fiance Eric Johnson, Jessica Simpson punched up her basic black ensemble with a gold box clutch.

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Nicole Kidman

Kidman wore a simple black minidress to the 2013 CMT Awards, which could easily be adapted for daytime by adding a blazer and tights.

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Miranda Kerr

Kerr's outfit is polished enough for the office but her graphic skirt adds an extra edge when worn out for drinks or a date.

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Beyonce

Beyonce rocked a solid orange knee-length frock for a Super Bowl event in 2012, allowing her eye-popping heels to really shine. Not ready to wear sparkle so early in the daytime? Sub in basic black pumps for an equally polished look.