Swizz Beatz and Alicia Keys were among the many celebrity couples who walked the red carpet together Sunday night (May 20) at the 2012 Billboard Music Awards in Las Vegas.

Other couples spotted on the red carpet outside the MGM Grand Garden Arena were R&B singer Monica and her NBA player husband Shannon Brown; country music sensation Carrie Underwood and her NHL player husband Mike Fisher; Lisa Marie Presley and her husband Michael Lockwood; and country singer Luke Bryan and his wife Caroline.

Take a look at the pictures below!