They might have split but actress Courteney Cox still considers estranged husband David Arquette as her "best friend".

Courteney Cox and David Arquette. Pic/AFP

The couple, who have a seven-year-old daughter, Coco, together split in 2010 after 11 years of marriage. However, Cox admits "no matter what" happens in the future, they have vowed to always be close.