James Franco, Milo Ventimiglia, & Other Celebs Sing Spice Girls 'Wannabe' !

James Franco, Milo Ventimiglia, and Alexander Skarsgard are just a few of the celebs assembled by W Magazine to sing the Spice Girls' iconic track, "Wannabe," in celebration of the song's upcoming 21st 'birthday.'

The aforementioned gents are joined by Nicole Kidman, Riz Ahmed, Millie Bobby Brown, Keri Russell, and yet more stars.

Watch, and prepare to "zig-a-zig-ahhh!"