Whether they sing, act or dance, these celebrities still manage to make fitness a priority in their busy schedules.
Ellie Goulding, 29Singer 1 of 11
Ellie Goulding is a prime example of a woman who is doing it all.
On top of her busy touring schedule, Goulding tries to run at least six miles a day, and she's participated in several half marathons, including the Nike Women's Half in D.C., where she finished in the top 400 out of 15,000 runners. Goulding even invited fans to run with her in seven different cities during her UK tour for her album "Run Into the Light."
Did we mention that the Grammy-nominated singer is also vegan?
Dwayne "the Rock" Johnson, 44Actor 2 of 11
Recently named the highest-paid actor in the world, earning $64.5 million in 2015, Dwayne "the Rock" Johnson is most people's idea of a fitness monster.
From his time on the football field playing for the University of Miami, to his days of WWE wrestling, Johnson's physical strength and athletic ability have been the driving forces behind his success.
Johnson uses a six days on, one day off schedule, which includes a 50-minute cardio session and then a muscle-group specific lift.
Khloé Kardashian, 32TV Star/Entrepreneur 3 of 11
Since "Keeping Up with the Kardashians" first aired in 2007, America has watched Khloé Kardashian transform into a fitness guru, even starring in a health and fitness docu-series, "Revenge Body."
Kardashian might have a personal trainer at her disposal, but her workout plan isn't complicated. Her routine includes three to five workouts a week, but at a very high intensity.
Mark Wahlberg, 45Actor 4 of 11
Mark Wahlberg has by far one of the most sought after physiques in the acting world, but he works hard for what he's got.
The actor and executive producer had to put on 40 pounds of muscle in seven weeks for the movie "Pain and Gain." To do so, Wahlberg ate 10 to 12 times a day, worked out five days a week, cut out cardio and focused on heavy weights for some intense supersets.
Chrissy Teigen, 30Model 5 of 11
Chrissy Teigen is so fit that she's graced the cover of Sports Illustrated's swimsuit edition and been featured in it five other times. When she's not modeling, she's cooking wholesome, decadent recipes from scratch and writing about it. She recently published a book titled, "Cravings: Recipes for All the Food You Want to Eat."
Though Teigen is known for eating whatever she wants, she implements a very restricted diet when preparing for photo shoots. She's also a fan of group fitness and competing with others during her workouts.
Will Smith, 47Actor 6 of 11
The Fresh Prince of Bel-Air has come a long way from his tall and gangly teenage days. Now a regular in action films, Smith trains at least six days a week to maintain his physique and stamina.
His workout of choice includes boxing and going on five-mile runs.
Rihanna, 29Singer 7 of 11
Some stars are so busy that going to the gym just isn't an option. Barbadian singer and songwriter Rihanna has a 24-hour on-call personal trainer so she can work up a sweat between performances.
RiRi is now using her fit image to revamp the sports brand Puma, which saw an 11 percent sales growth after releasing sneakers designed by the artist.
Zac Efron, 28Actor 8 of 11
Actor Zac Efron recently transformed his entire body and added several pounds of muscle. According to Efron's trainer, it took him only 12 weeks to get under five percent body fat.
Efron supersets, working back and biceps one day, legs another and shoulders, chest and arms on the third day (with a little bit of abs every day). Not only does Efron have to lift, but to reduce his body fat, he doubles his amount of cardio.
Julianne Hough, 28Dancer/Actress 9 of 11
Julianne Hough is an example of how dancing really can transform every part of your body. The former two-time "Dancing with the Stars" champion made a successful jump from dancing to acting when she danced her way into "Footloose."
Hough combines five days of workouts, six days of clean eating and one day of indulgence to keep her body in peak performing condition.
Cameron Diaz, 44Actress 10 of 11
Cameron Diaz has been a staple in the fitness community ever since she kicked her healthy routine into gear for her role in "Charlie's Angels." Diaz is all about meal prepping, and she'll usually prep her meals for the entire week on Sundays.
Diaz works out with famous celebrity trainer Teddy Bass and does combinations of dance, Pilates, weights and athletic cardio for a core-centered workout. She has also written multiple books that reflect her overall passion for health and wellness.