'Hello' songstress Adele has revealed that making her new album '25' was emotionally challenging because she had to spend time away from her son, Angelo. 

The superstar told Sirius XM that leaving her three-year-old son while she was making her latest album, entitled '25', was really hard because she felt guilty about giving something else her attention:

"Even the time making the record, the guilt. I don't think any of us really get over it. It makes me emotional when I talk about it actually. Leaving him when he would rather be with me is hard. But he comes everywhere with me. He is in New York and he is having the greatest time ever."

She went onto add that when she did go home to her Angelo, he would make her feel bad about working so hard: "You know what the killer thing is? When you get home and cannot wait to see them and they punish you.:

"It is the worst when they kick off for you, and all you want to do is love them, and they are like, I don't want to play with you. It is like the hardest thing ever. They make you cry and that is why they do it. They are so clever."

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Watch Adele in disguise here: