G.E.M. Tang wowed her fans with pictures of her at the gym, which she posted on facebook.
She accompanied the photos with the caption: "Exercise willpower."
The photos showed her lifting weights and challenging herself with various exercises.
Many netizens lauded her determination, but eagle-eyed fans also pointed out that she was wearing shoes with platform heels.
They then criticised her, with comments wondering if it was all just "a show".