Even Martha's cats receive the royal treatment. While their litter box used to crowd Martha's bathroom, now they have their own private space in a litter box cabinet in the main room—complete with a cat door!
Nate Berkus calls it his toughest makeover yet! Find out why such a small apartment was such a big challenge.
Oprah Radio' host Nate Berkus talks with Katie Lee Joel about redecorating Katie and Billy Joel's New York home and becoming friends in the process.
Designer Nate Berkus buys a piece of the Big Apple and transforms it into a stylish urban dwelling.
Take a tour of the home Nate Berkus decorated for Billy Joel and his wife, Katie.