Hilary Duff admits she is permanently exhausted since she gave birth.
"I'm running around the house just trying to keep up with him. He's so fast . . . He's trying to talk and he's a little aggressive."
The popstar revealed she is planning to wait a few more years before having another baby.
She said: "Mike and I are literally so obsessed with Luca. He's perfect! We should just be one and done. But I think once your kid starts getting older you miss that baby phase and you go in for round two."
The actress also admitted that she felt a lot of pressure to lose her baby weight but is "trying not to obsess" over it.
She said: "I am worried because everyone wants their body back. It's all in time, you know? It took nine months to get there, so hopefully it won't take that long to get it off. But I'm doing it slowly."