Since when is it considered fashionable to to wear a top and a pair of pants of the same print at the same time? Well, if you're paying attention to the runways and what the celebs are wearing -- the time is now!

As of this summer, matchy-matchy is no longer considered old school. Celebs like Beyonce and Sophia Bush have both nailed the trend, among countless others.

Click through the gallery to see the celebs who've got the style down pat, and shop the matchy-matchy trend for yourself!