Girls' Generation's Tiffany, who recently seemed to have gained more prominent abs from her 'I Just Wanna Dance' promotions, also talked about how her new song impacted a different part of her body!

On 'Choi Hwa Jung's Power Time', Tiffany was asked about her beauty secrets. She answered, "All of the Girls' Generation members have a big interest in beauty, and we all have different things we're into, but it's nice since we can share with one another. I think fashion and hair care is crucial."

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Tiffany then talked about the influence of her new song's choreography on her body, and said, "My legs automatically got toned from my new choreography. I want to thank my dance teacher. I can naturally get a workout since the dance requires a lot of leg movement." 

Lastly, she added, "My makeup artist told me I look healthier because my legs look more muscular."