From X Factor to parenthood: The complete timeline of Cheryl and Liam Payne's relationship
Can't keep up with Cheryl and Liam Payne's relationship?
They welcomed their first child together last week, but Cheryl and Liam's relationship spans nearly a decade.
Here's everything you need to know about one of the world's most famous couples.
2008 - The first meeting
Cheryl and Liam first crossed paths when he auditioned for the X Factor aged 14. After his audition, Cheryl told him: "I like you, I think you're really cute. I think you've got charisma. You gave us that little cheeky wink."
Cheryl was married to footballer Ashley Cole at the time and was on the X Factor judging panel alongside Simon Cowell and Louis Walsh.
May 2010 - Cheryl divorces Ashley Cole
After months of cheating rumours, the Girls Aloud star finally filed for divorce from her first husband after four years of marriage.
2010 - Back again
After being sent home at bootcamp in 2008, Liam returned to the X Factor in 2010 and was put in boy band One Direction, who came third place in the competition and shot to global superstardom.
July 2014 - Cheryl marries Jean Bernard Fernandez Versini
After three months of dating, Cheryl tied the knot to restaurateur Jean Bernard Fernandez Versini in a low-key ceremony in the West Indies.
December 2015 - Cheryl and Liam meet at the X Factor final
Just months before their relationship was confirmed, video footage shows Cheryl and Liam exchanging a hug at the X Factor final.
January 2016 - Cheryl files for divorce from Jean Bernard
Less than two years after marrying, Cheryl filed for divorce from Jean Bernard, with both parties reportedly signing a confidentiality agreement. The divorce was made official in October 2016. Cheryl drops her surname.
February 2016 - Rumours of a romance begin
Rumours of a romance between Cheryl (33) and Liam (23) begin to circulate. Liam confirmed the speculation on February 28th by using a photo of him and Cheryl as his profile picture on social media.
March 2016 - Liam gushes on social media
Liam shared his love for Cheryl on International Women's Day with an Instagram post captioned: "Happy #internationalwomensday to my favourite woman in the world. Hope I make you as happy as u make me."
May 2016 - First official Chiam appearance
'Chiam' made their first official appearance together at the Global Gift Gala in Paris. They then made a second appearance later that month at Cannes Film Festival.
June 2016 - Cheryl attends Liam's sister's wedding
Taking what most would consider a serious step in their relationship, Cheryl attended Liam's sister's wedding in England, wearing an uncharacteristic, oversized grey dress.
July 2016 - Is Cheryl pregnant?
Speculation that Cheryl was expecting began in July and continued right throughout the rest of the year.
October 2016 - Cheryl's first post-rumours red carpet appearance
Cheryl neither confirmed nor denied pregnancy rumours at a L'Oreal Paris event in October, wearing a carefully designed sequined top that hid any sign of a growing baby bump.
November 2016 - Cheryl all but confirms pregnancy rumours
Fans went into overdrive in November when Cheryl stepped out in a figure-hugging dress with Liam in London, proudly displaying her growing baby bump.
February 2017 - The pregnancy is finally confirmed
Despite never officially announcing her pregnancy with a statement, Cheryl's photoshoot for L'Oreal and the Prince's Trust was ultimately her confirmation.
22 March 2017 - Cheryl and Liam welcome their new arrival
On March 25th the pair announced the news on Instagram that they had welcomed their baby boy days earlier. Alongside a Polaroid photo of Liam and the newborn, Cheryl said: "On Wednesday 22nd March Liam and I became parents to an incredibly beautiful, healthy baby boy, weighing 7lb 9 and looking like a dream.
"Although he still doesn't have a name he is already stealing hearts. We are all madly in love and overwhelmingly happy with our little arrival. Happy Mother's Day to all the mothers around the world. A day that now has a different meaning to me forever."