Fergie paid tribute to her late father John Patrick Ferguson a month after his passing at age 74.
The Black Eyed Peas singer posted a slideshow of photos of the winemaker along with a lengthy message honoring his life on Thursday.
The last time Fergie, 46, had posted to Instagram was on Father's Day.
In remembrance: Fergie reemerged on Instagram Thursday to pen a heartfelt tribute to her late father John Patrick Ferguson
The singer began her lengthy post with her dad's full name and birth date, writing, 'John Patrick Ferguson 7/23/47-8/27/21.
'This hit harder and deeper than anything I've ever felt. You were the best dad a girl could ever ask for. Your spirit was a pillar of positivity. I miss your smiling face, and you waking up saying "I feel great! I’m excited for the day!" I still hear you every morning.'
In the post shared with her 4.7 million followers she continued, 'You were a coach who fired me up to be ambitious and competitive, while still reminding me Zen-like, that success is in the journey. You were a teacher who taught me the freedom of life away from the hustle and bustle of a rigid schedule. You were the epitome of living in the present.'
Rest in peace: At 74-years-old, the winemaker passed away on August 27
Memories: Before Thursday's post, the 46-year-old singer's last one was on Father's Day
Fergie and her father, who went by Pat, ran a Santa Ynez, California winery together since 2006 and the music artist would often share videos of their bonding moments on the landscape.
The pop star wrote, 'You were one with the earth. I can't bite into a juicy nectarine or taste a mint leaf without thinking about the ones you grew in the backyard. Your Syrah grapes brought so much joy
