Mel B is back—and, apparently, the "B" now stands for "busy."

The onetime ( and possibly future ) Spice Girl has been doing everything from serving as judge on TV's America's Got Talent to guest-hosting on the Today Show. Now, she has returned to her first love—music—with the infectious dance single "For Once In My Life."

WCT: I've spoken with a lot of different people—but I don't believe I've talked with someone who's performed at an Olympics ceremony. You performed in front of billions of people last year in London.

Mel B: I'm glad nobody told us that.

Don't forget that the Olympics is a charity-based event, so you don't get paid for it. It's very iconic. We just decided that it had been a while since we performed together so we made it happen.

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