The journalist and TV personality was found dead at her home in Kent, United Kingdom at around 1.35pm and the cause of her death is not yet officially known, how the ambulance services have described it as "sudden death".
Peaches Geldof was last seen at the F&F show before she died on Monday
She was last seen out in public attending the F&F fashion show last Thusday night.
Her musician dad reportedly said after the news of her passing: "Peaches has died. We are beyond pain. She was the wildest, funniest, cleverest, wittiest and the most bonkers of all of us.
"What a beautiful child. How is this possible that we will not see her again? How is that bearable?"
Peaches in 2010
"Police were called to an address in Wrotham, Kent, following reports concerning the welfare of a 25-year-old woman," ambulance services said in a statement. "The woman was pronounced dead at the scene by South East Coast Ambulance Service.
"At this stage the death is being treated as unexplained and sudden. They are now working to establish the circumstances surrounding the death."
Peaches Geldof and her son
Peaches was mother to two children, Astala Geldof–Cohen and Phaedra Geldof-Cohen, with second husband Thomas Cohen, frequently sharing snaps of the youngsters on her social networking pages.
Just the day before her passing away was reported she shared a photo of her late parent Paula, captioning the shot: “Me and mum”.
Peaches Geldof leaves behind her husband Thomas Cohen and their two children
She leaves behind a husband – who is the lead singer of band S.C.U.M, and sisters Fifi Trixibelle Geldof and Pixie Geldof, as well as a younger half-sister, Tiger Lily Hutchence Geldof, who her mother had with late musician Michael Hutchence.
Her spouse said after her death: "My beloved wife Peaches was adored by myself and her two sons. I shall bring them up with their mother in their hearts everyday. We shall love her forever."
Peaches and her husband Thomas
HELLO! magazine covered her wedding to Thomas on 8 September 2012 at the same church in Davington where her parents married 26 years earlier.
The 25-year-old was parent to two kids
The location was also where her mother's funeral was held in 2000 after she dies aged 41. Her son Astala turns two later this month and Phaedra will be one just three days later, which would have been the 54th birthday of her mother Paula.
In August 2008, she married American musician Max Drummey at the Little White Wedding Chapel in Las Vegas. They announced a separation in February 2009 and Max filed for divorce in April 2011 in Los Angeles, California citing irreconcilable differences.
Peaches and her late mother Paula Yates
Celebrities tweet shock at death of Peaches Geldof:
Utterly stunned at the terrible news of the death of Peaches Geldof! The dreadful loss of a really lovely woman