Fashion on the Fly: Justin Timberlake & Mila Kunis Go Comfy Casual in London (PHOTOS)

When you’re traveling as much as Justin Timberlake and Mila Kunis, you’ve got to be comfortable!

The Friends With Benefits costars, who have been all over the world promoting their raunchy rom-com, were seen making their way through London’s Heathrow airport on Thursday.

From the looks of it, these two have been spending so much time together they’re starting to dress alike!

Both stars were sporting fashionable scarves; Mila went with some comfy pants, while Justin wore a pair of relaxed jeans.

This is a very different look than what Mila was working just a few nights ago! The 27-year-old actress wore an adorbs LBD in London the other night. Check out the lovely look below!

Do you think Mila is just as cute dressed down as she is when she’s dressed up? Sound off in the comments!