It's been a rocky ride for the Spice Girls as of late, after Melanie Brown made the shock revelation that she and Geri Horner had enjoyed a romantic fling during their heyday in the band.
Geri, who is now married to Christian Horner, denied the claims, saying they were 'simply not true' - but Mel sticks by what she said, and is allegedly upset with Geri for making her look 'like a liar'.
Despite Mel saying her confession 'wasn't a big deal,' it seems the news has had a detrimental effect on the girls, with their plans for a world tour now up in the air.
A source told the Mail on Sunday, "It has been a hugely dramatic week. At one point last Sunday, the tour wasn’t happening."
"They agreed that they had to do the British dates because they are under contract and they don’t want to let their fans down, but there won’t be any more."
GALLERY: From Spice Girls to X Factor, Melanie Brown's life in pictures
From Spice Girls to X Factor: Mel B's life in pictures
1 of 29Melanie Janine Brown
Since her rise to fame as Scary Spice in the early 90s, Mel B has been no stranger to controversy. She's gone through marriages, divorces, paternity tests and managed to remain the crazy singer we all love. Here's her life in pictures.
2 of 29melanie2
Born 29 May 1975.
3 of 29melanie3
Mel was born in Harehills, Leeds and grew up in nearby Burley, and has a younger sister Danielle.
4 of 29melanie4
She studied performing arts at Intake High School.
5 of 29melanie5
After responding to a newspaper ad in 1993, Mel won a part in a girl group called Touch.
6 of 29melanieold
She and Melanie C, Emma Bunton, Geri Halliwell and Victoria Adams spent two years showcasing for A&R men and producers.
7 of 29melanie6
In 1995, Touch became the Spice Girls.
8 of 29melanie7
The girls released their first single Wannabe in 1996, which was a global hit.
9 of 29melanie8
While on tour with their second album, Mel began dating dancer Jimmy Gulzar.
10 of 29melanie10
Mel and Jimmy's daughter Phoenix Chi was born in February 1999.
11 of 29melanie11
She filed for divorce from Jimmy in 2000, leading to a custody battle for Phoenix Chi. Mel won, but had to pay Jimmy an estimated $2.8million.
12 of 29melanie13
Spice Girls went on hiatus in 2000, after selling 75 million records worldwide and booming one of the most successful music acts of all time.
13 of 29melanie14
Mel released her debut solo album Hot in 2000, which spawned for top 10 singles.
14 of 29melanie15
Following poor single sales, Mel was labelled Desperate Spice by the press when she featured Phoenix Chi in the video for her fifth single Lullaby.
15 of 29melanie16
In 2006 Mel began a highly publicised relationship with actor Eddie Murphy, and it was reported later that year she was expecting his baby.
16 of 29melanie17
Following their split, it was confirmed by DNA test in 2007 that Mel's second daughter Angel was Eddie Murphy's – though he initially denied this. After 'reimbursing' the cost of the pregnancy, Eddie also handed over $7million.
17 of 29melanie18
Mel took part on US reality show Dancing With The Stars, finishing runner-up.
18 of 29melanie19
She started a relationship with Stephen Belafonte in February 2007.
19 of 29melanie20
The couple married in secret in June 2007.
20 of 29spicegirlsreunion
That year, the Spice Girls also regrouped and announced plans for a reunion tour. They reportedly earned £10million each.
21 of 29melanie22
Following the tour, they all appeared in Tesco television adverts.
22 of 29melanie23
In 2011 Mel was announced as a judge on the Australian X Factor.
23 of 29melanie24
Stephen and Mel welcomed their first child together, daughter Madison, in September 2011.
24 of 29melanie25
Mel and Stephen starred in their own US reality show, It's a Scary World, in 2012.
25 of 29melanie26
That year, it was announced Mel would appear as a guest judge on The X Factor UK.
26 of 29melanie27
In 2013 Mel replaced Sharon Osborne as a judge on America's Got Talent.
27 of 29melanie28
Mel released her first single in eight years in September 2013, titled For Once In My Life.
28 of 29melanie29
She became a full time judge on The X Factor UK in 2014.
29 of 29melanie30
After getting pregnant with Jimmy's baby, they married in September 1998, leading to Mel changing her name to Melanie G.
Mel C and Emma are reportedly acting as peacemakers between the girls amid rumours they can't even be in the same room together.
But despite it all, the girls are determined for the tour to happen, with a source adding, "The gigs are going ahead no matter what, but all the girls are prepared for more epic rows.
"At the moment Geri doesn't even want to be in the same room as Mel B. There's no way more worldwide dates will be added."
The star, known to fans as Ginger Spice, released a statement regarding the reports, which read, "It has been very disappointing to read about all these rumours again, especially on Mother’s Day of all days.
"Geri loves the Spice Girls: Emma [Bunton], Melanie [Brown], Melanie [Chisholm] and Victoria [Beckham]. She would like [the fans] to know that what has been reported recently is simply not true and has been very hurtful to her family.
"Moving forward, Geri can’t wait to see the girls and all the fans on the tour, have an amazing time with everyone, and make some new memories."
But it seems Mel sticks by what she said, telling Australia's 2Day 104.1 radio show hosts that it shouldn't have been blown out of proportion.
"I didn’t actually really admit anything, I just admitted, you know, we had a bit of a thing back then and that’s it," she said.
"It wasn’t like a big deal, we’ve known each other 20 plus years, it was just one thing that happened one night."
The show must go on!
If you’re a sucker for the Spice Girls and love a bit of One Direction, you need heat Radio in your life.
We’re online at heatradio.com. You can still get us on the free app on your Android, iPhone or tablet. Tune in on Freeview channel 716 on the telly or get us on your smart speaker by asking it to "play heat radio."