• Jamie Foxx

    The actor/comedian reveals if he's Team LeBron or Team Steph during the NBA All-Star Weekend in L.A.

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  • Steph Curry

    The Golden State Warriors star reflects on his youth during Jr. NBA event at NBA All-Star Weekend.

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  • Meghan Duggan

    The Gold Medal-winning U.S. Women's Hockey Team Captain gets a visit from the Glam Squad.

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  • Dwyane Wade

    NBA star screens his documentary 'Shot in the Dark' about basketball academy in Chicago.

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Gaga is expected to hit the milestone later this month (Oct10), while Bieber is right behind her and should get there by 1 November (10).

And both are way out in front - the next closest artist to them is Michael Jackson with 600 million views.

Bieber might not be the first to get to one billion views but his Baby video is YouTube's most-watched promo.