The 41-year-old star said it is perfect for a quick drink when she is getting ready to go out, reported People magazine.
In a video, where she takes them on a tour around her wardrobe, she said: "The favourite part of my closet is my refrigerator and ice drawer.
"If you have a bar in your bedroom, it feels like things are going your way. And I'm proud of myself. Way to go, girl.