Photo by: courtey Youtube.com
Watch: Katy Perry, Akon Headline Live YouTube Concert
You don't have to wait to ask a ninja how the show was: YouTube.com is live streaming its first global concert event starting at 8 p.m. ET Saturday at youtube.com/live.

The two-hour event, streaming from San Francisco, will bring together artists including Katy Perry, Akon, Will.i.am and Internet stars such as Esmée Denters, Michael Buckley ("What the Buck") and "Chocolate Rain" singer Tay Zonday, who will play announcer.

Who knows? It could be "history quickly crashing through your veins ..."
This week's cover

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JOSH & FERGIE: ROCKED BY SCANDAL

Did he cheat with a stripper?

Married less than a year, the couple denies an Atlanta woman’s claims that she and Josh had a fling
Note that this week’s cover of PEOPLE may differ regionally

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