The reality TV personality, who is the sister of Lydia Bright's boyfriend Tom Kilbey and is known for her double act with Billi Mucklow, was arrested at midnight on Saturday (January 12).
According to the Daily Mail, she was breathalysed by officers after being spotted driving erratically and crashing her black Mercedes on Camden Road, London.
Cara Kilbey with TOWIE co-star Billi Mucklow
A police spokesman confirmed the 24-year-old had been arrested and charged with driving under the influence and failing to stop after an accident.
Kilbey was bailed and will appear at Highbury Corner Magistrates' Court on February 1.
Cara Kilbey and Billi Mucklow train for the London Marathon
It is not yet known whether the arrest will affect Kilbey's place on TOWIE.
All cast members are scheduled to meet with producers before work begins on an eighth series later this year to discuss their roles.