Mumbai, March 6: After ‘Jannat' actress Sonal Chauhan is back with the horror ‘3G' and as the trailers suggest there are lot of scenes where the actress is displaying her hot bikni body. The actress shares the fitness mantra which helped her gain a well toned curvy physique, while she promotes ‘3G' during her fitness workout session at Body Sculptor Gym in Juhu, Mumbai.Sonal does not believe in dieting and eats everything. She prefers hitting a gym for physical and mental fitness."My fitness mantra is eat everything. I don't believe in dieting. I eat everything. I go to the gym and burn it all out," the 27-year-old said here on Monday. She suggests out of seven days, one should work out at least for five days for an hour. "I think every person deserves that much time for themselves. When we hit the gym, then besides physical fitness, we achieve mental fitness as well. It has been scientifically proven that when you exercise, your body produces happy hormones," she added.Co-directed by Sheershak Anand and Shantanu Ray Chhibber, horror thriller "3G" also stars Neil Nitin Mukesh and is slated to release on March 15. Watch out for the other pics of Sonal streching her arms in gym.