The actress took to Instagram early Friday morning to announce that she's two years sober. The happy news comes just a day before her 46th birthday.
"2 years sober. 2 years feeling everything and nothing. 2 years of extreme gratitude and humility and grace," she wrote alongside a snap of her wearing a party hat and posing next to a cake. "I thank the lord and my friends. Thank you for the most special birthday week @fran.anania #amypines #arthursaintbleick."
Blair continued: "I prayed for a miracle at my lowest points. I am a living miracle. Thank you. Thank you. #birthdaygirl #almost46 #summersolstice #grace."
Last June, Blair made headlines when she was coming back from a Father's Day trip in Mexico with her ex-boyfriend, Jason Bleick, and their then 4-year-old son, Arthur, when she allegedly had an outburst while the plane was in the air.
In a statement following the incident, the Legally Blonde star blamed a mix of alcohol and medication.
"I made a big mistake yesterday," Blair told Vanity Fair. "After a lovely trip with my son and his dad, I mixed alcohol with medication, and that caused me to black out and led me to say and do things that I deeply regret. My son was with his dad asleep with his headphones on, so there is that saving grace. I take this very seriously, and I apologize to all of the passengers and crew that I disturbed and am thankful to all of the people who helped me in the aftermath. I am a flawed human being who makes mistakes and am filled with shame over this incident. I am truly very sorry."