Washington D.C, May 26 -- : The 'Spice Girls' kicked off their much awaited '13-date' reunion tour on Friday night in Dublin. But the technical sound glitches during the show left many fans disappointed.

It was the first time that the 90s girl group had performed in seven years in front of more than 70,000 fans.

The band comprising of Baby (Emma Bunton), Scary (Melanie "Mel B" Brown), Sporty (Melanie "Mel C" Chisholm) and Ginger (Geri Halliwell Horner) spiced up the stage by performing their hits back to back, CNN reported.

However, some fans complained of "awful" sound problems during the show on Twitter and how they struggled to hear the group.

"There's something wrong when the crowd at @spicegirls concert are all sitting down because...