Actress and running enthusiast Sophia Bush participated in a run in her hometown Pasadena, California, in honor of #NationalRunning Day. The "Chicago P.D" star joined The Westin Pasadena’s 5k run celebrating a new initiative that promotes .
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From product launches to red carpets and everywhere inbetween, jetsetting celebrities kept busy this week.
Katy Perry was spotted at a Paris airport in head-to-toe Adidas wear. We'll reserve our opinion for now, but what are your thought's on her matchy-matchy look?
Sophia Bush headed to her hometown of Pasadena to participate in #NationalRunningDay at the Westin Pasadena! Bush powered through a 5K run as part of the new "Run With a View" program, where you can snap pics at awesome spots on your jogging route.
Paula Abdul was reportedly "Straight Up" with Rumer Willis at the launch of new app StarShop about dance advice and how to best take care of her body during her tour rehearsal schedule -- we seriously wish we could have been a fly on the wall for that conversation!
See more celebrity sightings in the gallery above.