Ditch the bow tie for a silky button-up ... terrific opportunity to make like Marc Jacobs and pair your tuxedo jacket with a crisp white tee, faded jeans, and low-slung ballet flats.

And on Thursday she surprised us once again when she showed up to CinemaCon in Las Vegas wearing an ultra-short Sonia Rykiel tuxedo ... white collared shirt, complete with an orange pattern bow ...

A tuxedo is most commonly worn with a crisp white dress shirt and a black bow tie rather than a traditional necktie. Look at ...

After first arriving with Reynolds, who wore his white-tie best in a velvet tuxedo and white bow tie, Lively had a quick fashion performance halfway up the Met steps when she flipped the train ...