While it's easy to get stuck in an exercise rut, this week, stars proved that it's important to mix it up. From indoor cycling to running to yoga, the stars tried a range of workouts this week — and you should too! Skip your Saturday morning Pilates class and head to kickboxing instead, because trying something new is always a great idea. Check out the ways celebrities broke a sweat this week, and get inspired.

Mandy Moore and Minka Kelly

Friends who cycle together stick together, or at least that's how it seems for BFFs and sweat buddies Minka Kelly and Mandy Moore [1], who hit up SoulCycle this week.

Naomi Watts

After a jog through New York City, Naomi Watts [2] couldn't help but smile.

Vanessa Hudgens

Vanessa Hudgens [3] left yoga class in LA's Studio City, wearing low-key slider sandals. No running shoes here!

Diane Kruger

Diane Kruger [4] kept her skin protected and topped her workout outfit with a Summer straw hat.

Ashley Tisdale

Ashley Tisdale [5] headed out from the gym in Los Angeles, sporting a wild pair of hot-pink workout pants.