Taking a breather from big screen explosions and the like, director Michael Bay is back behind the camera for Victoria's Secret, helming the launch of their What's Sexy Now campaign, promoting the hot new "Knockout" bra.

Doutzen Kroes leads the pack of bodacious angels, and only ET is on set with the Hollywood heavyweight as he shoots the magnificent models in their underwire-free skivvies.

Watch the video above for an exclusive behind-the-scenes look at the commercial followed by the sizzling new ad!

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