WATCH TRAILER: BANG BANG BEYONCE: TAKES AIM AT JAY Z

Beyonce, looking squarely at cigar-smoking hubby Jay Z, sings the opening lines of Bang Bang (My Baby Shot Me Down), a 1966 song done by Nancy Sinatra and Cher, in a new trailer for the couple’s upcoming HBO documentary.

“I was five and he was six

We rode on horses made of sticks

He wore black and I wore white

He would always win the fight…”

The sultry singer then uses her hand as a gun and fires right at him.

“Bang, bang.”  

The 50-second trailer then cuts to clips from the couple’s highly successful On the Run tour. Look for the documentary to air on HBO on Sept. 20 at 9 p.m.

But before that, on Sunday, Beyonce will be performing at MTV’s Video Music Awards show. She’s up for eight trophies and will be given the special Michael Jackson Vanguard Award.