If you wanna be a Spice Girl, you gotta get into character and buy tickets to a concert. Everyone, including actress Blake Lively, knows that. Like many cool, music-loving girls in the late '90s ...

Blake Lively has been revealed as a one-time Baby ... only to find a snap of herself at a Spice Girls concert back in 1997. She took a picture with someone dressed up as Baby Spice - someone ...