G.E.M Tang is currently in England where she is a hosting a concert.
There have been speculations that tickets to her concert are being sold in the black market but the star has denied them.
Apart from the rumours, it seems like G.E.M has been exhausted.
The star actually fell asleep while waiting for her meal, reports Asian E-News Portal.
She shared a short video clip of her falling asleep while waiting for her meal to arrive online.
She left a message: "Falling asleep while waiting for my meal to arrive. My friend is taking photo of me and laughing secretly."