POPSUGAR Fitness MTV MTV Star Heads to Gym With Nalgene Water Bottle Guess Who Tweeted It by Fitness 7/20/10 6 Shares Like us on Facebook Sign up for our daily newsletter > Can you guess which MTV star tweeted this to her followers? "Starting the week right and going to workout!" See a picture of her in action after you guess! Image Source: Getty Read More The CityGuess Who Said ItTwitterWorkoutCelebrityMTVFitnessThe Hills MTV Bella Thorne and Gregg Sulkin Can't Keep Their Hands Off Each Other WARNING: 10 Signs You're Being Catfished Watch Channing Tatum's Mesmerizing MTV Movie Awards Booty Moment Again . . . and Again Throwback-Worthy Photos From MTV's Rock N' Jock The Hills 28 Cringeworthy Fashion Moments We Witnessed on Laguna Beach 18 Important Life Lessons You Learned From The Hills and Laguna Beach Relationship Reality Show Stars: Now and Then Laguna Beach and The Hills: Where Are They Now? POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Get fit with our daily newsletter Weight Loss Running Yoga Working Out Sign up with By signing up, I agree to the Terms and to receive emails from POPSUGAR.