LONDON, May 6 (UPI) -- Victoria Beckham's mic wasn't always on when she performed with the Spice Girls.
The 42-year-old British designer revealed while attending the Vogue 100 exhibit at the National Portrait Gallery on Thursday that producers used to turn her microphone off during concerts.
"They used to turn it off and just let the others sing," Beckham told host Claudia Winkleman. "I got the last laugh -- and now my mic is well and truly on, finally."
Beckham, Melanie Brown, Emma Bunton, Melanie Chisholm and Geri Halliwell formed the Spice Girls in 1994. The designer, who was nicknamed "Posh Spice," was known for her fashion sense and serious demeanor.
"I was always the one that loved fashion and it was quite a result for me because the girls always used to get their clothes for free because they were crap and so there was a lot of budget for me to have my little Gucci dress," Beckham said.
"When all the other girls were being fun and spontaneous and jumping on tables, I was always the one checking the table wasn't going to collapse," she recalled. "I was always the sensible one."
Beckham released three albums with the Spice Girls and last performed with the group at the 2012 Summer Olympics in London. The designer admitted she isn't interested in future reunions in the June 2015 issue of Women's Wear Daily.
"I really support [everyone] in everything they do and they're so supportive of what I'm doing, but I couldn't possibly do that," she said. "It was great when we did the Olympics... but I won't be doing that anymore."
The Spice Girls are reportedly planning a reunion tour to celebrate the 20th anniversary of their album Spice. Sources told Us Weekly that Beckham isn't interested and that the band plans to move forward without her.