Minnie Driver dons a wetsuit, a swimming cap as she takes part in Children With ...

Minnie Driver donned a wetsuit and a swimming cap for the Children With Cancer UK swim in the Serpentine in London on Saturday morning. 

The 51-year-old actress looked cheerful as she made a heart symbol with her hands before dunking herself in the water for the race. 

To keep herself warm in the September weather she donned a camouflage DryRobe jacket with hot pink lapels paired with fur-lined boots while she posed with her hands up in the air. 

The wetsuit hugged her athletic frame as stood with her hand on her hips looking pensive. 

She later looked very cheerful as she held her medal in her hand a smiled while wearing a blue and black striped bikini top. 

Elsewhere, she posed with the former Olympic sprinter Linford Christie who also looked happy while showing off his medal.  

Children With Cancer UK is an organisation which is strives to fight against childhood cancer and funds vital research to save the lives of children.   

The swim comes after Minnie revealed that she previously ran into her former boyfriend and castmate, Matt Damon.

She appeared on an episode of the Keep It! podcast and spoke about various topics during the sit-down with the show's hosts, including her run-in with the 50-year-old performer.