Whether on a hike or in the gym, celebs made sure to sweat it out this week, and they made sure to do it stylishly. From fun tees to cute dogs, see how these stars accessorized their workouts this week!
Ashley Greene  stayed hydrated with her Bubba mug  after her workout.
Reese Witherspoon  was all smiles in a color-coordinated outfit as she left another intense Burn 60 workout .
Naomi Watts  worked out with Reese at Burn 60 as well.
Kendall Jenner coordinated basic black with her striped Nike  Free TR 3s.
Nikki Reed  took her happy pup for a hike along with Julianne Hough and fellow fit friends.
Hilary Duff  brought the fun to her workout with her Laundry Room "Party Shirt" muscle tee.