Mel B once described how she and Geri Horner like to drive around naked together at the height of their fame.
In a resurfaced extract from her autobiography Catch A Fire, Mel also compared her relationship with her bandmate to being like 'boyfriend and girlfriend.'
It comes after Geri was said to be 'furious' that Mel claimed they'd enjoyed a night of passion during their Spice girls days, during an interview on Piers Morgan's Life Stories chat show.
Now in a throwback from her 2002 tome, Mel said that she and Geri would "flash their boobs while taking to the wheel in the early hours of the morning."
She said: "Sometimes Geri and I went to bed on Saturday afternoon, woke up around 2am, got dressed up and went to the all-nighter at Ministry Of Sound.
"We used to drive down the motorway with our boobs out for a laugh. It was hysterical until we noticed a weird-looking guy driving alongside us with a manic grin on his face.
"Oh my God, Geri, he looks like he is w****r. Suddenly we were scared. It was really frightening. For all we knew he was a complete nutter with an axe.
"Geri swerved into another lane and eventually we lost him. We were really shaken. Did it stop us flashing our boobs? No," said Mel.
Last month Mel caused a media storm when she boasted of bedding Geri in the 90s.
Scary Spice predicted at the time that now married mother-of-two Geri would 'hate her' for the revelation and the upcoming Spice World tour was said to have been thrown into jeopardy.
Mel B proves Spice Girls tour is moving ahead as planned despite Geri Horner drama
However, the pair managed to put the drama behind them and have both since delighted fans with videos of them in rehearsals.
Geri shared a video of her practising some of their old dance moves while Mel was seen trying on costumes in her Los Angeles home.
