This week your favorite celebrities were serious about fitness, perhaps because Halloween [1] is just one day away? Demi Lovato [2] was snapped taking a SoulCycle class while Gisele Bündchen [3] stayed in shape with outdoor leap frogs. Other stars got into the spirit early, like Naya Rivera, who was a mail-order bride, and Giuliana Rancic, who rocked a hospital-patient costume. Keep reading to see the rest of this week's cutest celebrity Instagram snaps, and be sure to follow POPSUGAR on Instagram [4], Facebook [5], and Twitter [6]!
Source: Instagram [7]
Naya Rivera dressed up as a mail-order bride for Halloween [8].
Source: Instagram user nayarivera [9]
Sofia Vergara shared laughs and drinks with her Modern Family costars.
Source: Instagram user sofiavergara [10]
Shay Mitchell re-created her breakfast-print shirt in real life.
Source: Instagram user shaym [11]
Lindsay Lohan [12] took a break from working out to post a selfie.
Source: Instagram user lindsaylohan [13]
Ariana Grande [14] posted a glam throwback photo.
Source: Instagram user arianagrande [15]
Gisele Bündchen [16] got into shape by doing leap frogs.
Source: Instagram user giseleofficial [17]
Katy Perry [18] visited a spice market.
Source: Instagram user katyperry [19]
Ashley Benson looked ready for Fall in her cozy beanie and suede sneakers.
Source: Instagram user itsashbenzo [20]
Giuliana Rancic hopped on the big-butt trend for Halloween [21].
Source: Instagram user giulianarancic [22]
Ashley Tisdale [23] visited the pumpkin patch and showed off her face paint.
Source: Instagram user ashleytisdale [24]
Katie Cassidy showed off her leg strength during her workout.
Source: Instagram user katiecassidy [25]
Demi Lovato [26] stayed in shape by taking a SoulCycle class.
Source: Instagram user ddlovato [27]
Channing Tatum [28] posed with contest winners who were extras for Magic Mike XXL.
Source: Instagram user channingtatum [29]
Candice Swanepoel appeared fresh and sun-kissed while in the Bahamas.
Source: Instagram user angelcandices [30]
Lauren Conrad [31] embraced her shorter hairdo.
Source: Instagram user kristin_ess [32]
Lucy Hale attempted a new yoga position.
Source: Instagram user lucyhale [33]
Khloé Kardashian and her sister Kylie Jenner showed off their pouts.
Source: Instagram user khloekardashian [34]
Kim Kardashian [35] admitted she was obsessed with her waist shapers.
Source: Instagram user kimkardashian [36]
Jesse Tyler Ferguson gave his fans a sneak peek of the new Modern Family Halloween [37] episode.
Source: Instagram user jessetyler [38]
Jessica Alba [39] took an airplane selfie as she flew back home.
Source: Instagram user jessicaalba [40]