One Minute Buzz: Chris Brown’s Halloween Costume; Robert Pattinson and Kristen Stewart Emerge (VIDEO)

'X Factor': Khloe & Mario
Khloe Kardashian and Mario Lopez will host 'X Factor.'
New 'Breaking Dawn' Stills
Peep new stills from 'Twilight Saga: Breaking Dawn - Part 2'.
It’s One Minute Buzz time, which means you’re getting the week’s hottest headlines in under 60 seconds.

X Factor judge Simon Cowell had some very interesting words for live show co-host Khloe Kardashian, who began her new gig with Mario Lopez this week. What did Cowell say?

Meanwhile, Chris Brown turned heads on Halloween, thanks to his costume choice. The 23-year-old singer and his friends dressed up as terrorists, and even carried fake ammunition and guns.

Another big headline of the week? The first public interview with Robert Pattinson and Kristen Stewart since the latter’s cheating scandal in the summer. The pair were on hand to promote the fifth and final film installment, The Twilight Saga: Breaking Dawn — Part 2.

For more of the latest Hollywood news — in less than one minute — check out One Minute Buzz, above.

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