No Doubt songstress Gwen Stefani, who recently collaborated with Maroon 5 on a new song called 'My Heart Is Open', has revealed that she loves nothing more than laying around and treating herself to pizza.

The platinum-haired icon explained that she is 'lazy' and enjoys spending her downtime in bed eating her favourite fast food: "What everyone doesn't know about me is, I'm generally a lazy person. I really am. My favourite thing to do is sit in bed, eat pizza, and like, do nothing."

She also confessed that her first job was at fast food and soft serve restaurant Dairy Queen and she would eat while at work, which caused her uniform to get a little tight: "When I started there, I fit in my outfit. When I ended there, I did not fit in my outfit."

Levine, of Maroon 5 fame, recently opened up about his band's collaboration with Stefani and explained that it was a great project to work on: 

"It’s awesome. I love that song so much. I co-wrote that with Sia. Gwen is so amazing on it. It’s serendipitous that she’s on it. We decided to do it before she was on the show [The Voice], which is hilarious. Right before she announced the show, we got this going, so it was a total coincidence.”

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Check out Stefani and Maroon 5's collaboration here: