Did Jolin Tsai break up with Vivian Dawson because he was seen dancing with 'hot chicks'?

Jolin Tsai and her Eurasian boyfriend Vivian Dawson have been dating for 6 years but it was recently revealed that they are no longer seeing each other.

Since then, many rumours surrounding the break up began to surface.

A magazine pointed out that Vivian was dancing with some women described as 'hot chicks' at a pub in October, reported Asian E-News Portal

One of them apparently asked him: 

"You are not afraid that Jolin will be mad?" 

Vivian then replied that he was single.

The magazine also revealed that Jolin hopes Vivian will be more mature as he always goes out with female companions.