Theron in split from Townsend?

Photorazzi / Graffiti Press

Charlize Theron has reportedly broken up with long-term partner Stuart Townsend due to 'work commitments'.

According to The Sun, the North Country star has recently been attending premieres without Townsend.

A friend of the actress' told the paper: "Charlize is free and single again. Her relationship with Stuart is well and truly over. They just grew apart. It wasn't always easy because filming often kept them apart for months."

Townsend and Theron had been dating for five years.