Kim Kardashian and Reggie Bush Strip Down GQ Photo Shoot

Kim Kardashian shows off her famous booty in a steamy new GQ magazine spread with beau Reggie Bush.

See Kim's best booty shots!

In the sexy photos, a bikini-clad Kardashian, 27, rests on Bush's back as he does pushups. In another pic, she wraps her arms around his shirtless body.

"We were super excited for this shoot, but also a bit nervous," Kardashian blogs. "We had never done a shoot together and didn't know what to expect!