His breathalyser reading was 75mcg of alcohol per 100ml of breath, with the legal limit being 35. Another driver involved in the collision, who had his wife and child in the vehicle with him at the time, said that they could have died as a result of Mr McPartlin's "reckless driving". "We believe we could have died as a result of Mr McPartlin's reckless driving", he said.
Ant McPartlin has been fined £86,000 and banned from getting behind the wheel for 20 months after he admitted to drink-driving.
Ant's driving ban could be reduced to 15 months, provided he completes a referral programme by the middle of May next year.
In a letter that was read out in court, he said he was "ashamed and mortified" by what he had done, that he "accepts full responsibility" for what has happened, and that he let himself "and so many others down".
"I'm truly sorry for what happened..."More news: Chopped Romaine Lettuce Linked to E. Coli Outbreak
More news: The Weeknd and Bella Hadid Spotted Kissing at Coachella Party
More news: The Boston Marathon is a soggy mess
His lawyer, Liam Walker, told the court his client hoped the case would be a turning point for him. "I let a lot of people down and for that I am truly sorry".
Walker earlier said: 'But for good fortune the consequences could have been worse. Walker said McPartlin had a brief relapse on the day of the incident.
The court was told that that Mr McPartlin was receiving treatment for "alcohol and emotional issues". He is now undergoing treatment for his alcohol issues.
The 42-year-old has stepped away from his TV commitments, though he was on Britain's Got Talent over the weekend in footage recorded before he was charged.