The mother-of-two opted against her iconic Union Jack thigh-grazer for her appearance with her girls and instead slipped into a pair of high-waisted pants with a matching polo neck.
Staying true to her scary alter-ego, Mel B sported a head-turning leopard print coat over a wool jumped dress.
"I've been chomping at the bit to say something", Mel explained, admitting she'd known for the last four months. Tickets go on sale this weekend, and we're told the crew is nervous they won't sell out since Victoria Beckham isn't going along for the ride.More news: Zero comes under scrutiny for offending Sikh community
The Hello singer took to Instagram on Monday to share her excitement about the Spice Girls' highly anticipated 2019 tour. She posted on Instagram that she "won't be joining my girls on stage again" but she added that "being in the Spice Girls was a hugely important part of my life".
"I know they will put on an unbelievable show and the fantastic fans past and present are going to have a wonderful time!" she added. But no, we've been wrong all these years!
Media captionWhat do people really think of the announcement that the Spice Girls are going on tour?
But this isn't the first time the British singer has spoken out about her love for the girl band.More news: Tottenham vs PSV Eindhoven, Champions League
"It was girl power, and it was these five ordinary girls who did so well and got out".
Ticket prices have not yet been announced, but in 2007, tickets were advertised for resale, costing up to £900, with some legitimate tickets being originally priced at £115.
It was announced yesterday the Spice Girls will be getting back together for a reunion tour next year, and it could lead to fresh material in the future.
"Chicas to the front, hai si ja hold tight".More news: Calls To Recognise War Veterans On All Forms Of Transport In Australia