1. Gladiator star Warren Furman
1. Katie's first engagement was to Gladiator star Warren Furman (2000 photo)
In 1996, Katie, who at the age of 18 was just starting her career as a glamour model, became engaged to Warren (better known as Ace).
The 48-year-old Gladiator star had spent £3,000 on a diamond ring, but they split shortly after.
He previously said of their relationship: 'We both derived our identity from our relevance in the media.
“We both sold stories.”
2. Businessman Scott Sullivan
2. The glamour model got engaged to Scott Sullivan in 2004
Katie became engaged to businessman Scott Sullivan when he gave her a ring just before she was due to enter the I'm A Celebrity jungle in 2004.
The model previously said she first became attracted to Scott because “he ignored her when they first met.”
But as soon as Katie entered the jungle, she immediately fell in love with Peter Andre.
Scott is now married to ex-Made In Chelsea star Funda Önal.
3. Peter Andre – First Husband
3. Katie fell head over heels in love with Pete on the show and the couple married in 2006
Katie fell madly in love with Pete, 48, on the show and the couple married in 2006.
They had a fairytale wedding and had two children: son Junior, 15, and Princess, 13.
Three years later, in 2009, they broke up.
Pete married Emily MacDonagh and had two children.
4. Cage Fighter Alex Reid – Second Husband
3. Katie and Alex married in Las Vegas shortly after she split from Pete
Katie met Alex Reid, 45, eight weeks after her split from Pete.
Alex spent £60,000 on Katie's engagement ring.
The couple married in Las Vegas in January 2010, but the marriage ended less than a year later.
Katie previously admitted Alex was a 'rebound' after Pete and described the marriage as a 'mistake'.
5. Argentinian model Leandro Penna
5. Katie met model Leandro, 35, in 2012 at Elton John's Oscar party in LA
Katie met model Leandro, 35, in 2012 at Elton John's Oscar party in LA.
The former couple struggled with a language barrier, but that didn't stop their passionate relationship.
Shortly after they started dating, the two got engaged, but split later that year.
6. Kieran Hayler – Third Husband
6. Katie married Kieran after just five weeks of dating
Katie met her third husband Kieran, 34, in 2012. They married after just five weeks of dating. Katie was pregnant with son Jett, seven at the time. They had daughter Bunny, six.
The couple announced they were divorcing in 2017, three years after Katie found out Kieran had cheated on her with friends Jane Poutney and Chrissy Thomas.
However, their divorce was not finalized until March 2021.
7: Kris Boysen
7. In July 2019, Katie announced she was engaged again to Kris Boyson
In July 2019, Katie announced that she was re-engaged to personal trainer Kris Boyson, 32, after a year of dating.
Their engagement didn't last long, however, as the couple split in November of that year. Katie confessed to Kris that she had cheated on him.
8. Carl Woods – soon to be husband number four
8. Katie announced her engagement to Carl on Tuesday
The reality star started dating Carl in July last year and their relationship developed very quickly.
Within a few months they moved in together and Katie indicated that she would like to marry Carl and have a child.
The couple announced their engagement in April, six weeks after her divorce from Kieran was final.
Katie said, “It's refreshing to be with a man who, if I decided I never wanted to work again, would take care of me. I just love him.”