Mel B has reportedly been left 'perplexed' by Geri Horner's denial about their sexual history.
Scary Spice, 43, is not happy about being 'made to look like a liar' after her old band mate released a statement calling rumours of their romp 'simply not true'.
With 'bad blood simmering,' insiders also suggest that women are 'dreading' rehearsals for the Spice Girls' 2019 reunion tour, which commence later this month.
I'm not a liar: Mel B is reportedly angry at Geri Horner for making her look like a liar after denying their sexual history
'Mel is totally perplexed by Geri’s denials,' a source told The Mirror on Monday night.
'Mel feels Geri is making her out to be a liar. She said, "It’s almost as if she is trying to erase our history."'
MailOnline has contacted representatives for Geri Horner and Mel B for comment.
A second insider told the newspaper: 'There is a lot of bad blood simmering away. It’s going to be interesting.'
However, that's not the impression that Geri gave when she issued a denial about the secret liaison on Sunday.
Breaking her silence: Geri issued a comment on Mel B's sex confession on Sunday, insisting that the rumours were 'simply not true'
Insisting that she loved all four of her bandmates, Geri said she 'couldn't wait' to reunite with them - even posting a video of her practising the old dance routines at home while she prepares for their stage return, on Monday.
Her statement said: '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.'
Speaking up: Friends said Mel and Geri were in a 'year-long' relationship back when they first met in 1994 (this picture was taken just before the Spice Girls' success)
Speaking up: Geri said that while she was 'disappointed' by the claims, she is looking forward to touring with the band - including Mel B (pictured here in 2012)
The statement seemed to be in direct response to fresh claims that Geri and Mel's secret liaison was not a 'one-time' thing.
Sources told The Mail on Sunday it was a case of ‘lust at first sight’ when the two singers met for the first time in 1994, aged 18 and 21, and their tryst last for a year.
One friend recalled: ‘It