Jay-Z and Beyonce Kit up as Biggie and Lil Kim for Halloween | Photos

Power couple, Jay-Z and Beyonce joined other celebrities at Kelly Rowland's Costume Couture Party and as usual nailed their Halloween costume.

Jay Z dressed as fellow Brooklyn rapper Notorious B.I.G., and the wife, Beyonce kits up as female rapper Lil' Kim. Kelly threw the party with Lenny S. and Ciroc on Sunday night at new WeHo hot spot Poppy... and many of A-list celebs attended. Usher, Tyler Perry, Jhene Aiko, Terrrence J and Jermaine Dupri's were present with their clad in carefully selected costumes.

See more photos below...