Gwen Stefani

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As proven in her latest album and songwriting, Gwen Stefani isn't afraid to get vulnerable when it comes to the relationships—both past and present—in her life.

In fact, she didn't hold back while discussing her emotions following the discovery of her ex-husband Gavin Rossdale's alleged cheating scandal with their nanny, Mindy Mann.

Sitting down with Vanity Fair, The Voice coach revealed that her first single off the album, "Used to Love You," was also her first step in moving on from her ex in a more positive direction.

Gwen Stefani, Gavin Rossdale, 2014

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"I went through a real period of anger, but I felt like this song was almost like a forgiveness song," she explained. "It's admitting, I used to love you and now I don't."

In fact, taking being able to admit the relationship was over was what finally got her back in the studio. "I opened this channel to writing again," she said. "It was me being honest, being real."

However, just a few months before she released the song and as her 13-year marriage was coming to an end, Stefani really didn't think she would be successful in her music career again.

Blake Shelton, Gwen Stefani

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"I was so scared and insecure and thought it was over for me," she told the publication of the period of time before she starting writing new music again. "I think the hardest thing I did," she adds, "was to get out of bed and go to the studio."

Now, her third solo album, This Is What the Truth Feels Like, may be be one of her most talked about projects to date, considering it follows her journey on falling out of love with Rossdale and finding a new love with Blake Shelton.

Speaking of her new beau, Stefani says she's "for sure" in love again, and the roller coaster of emotions that comes with that new relationship has assisted in creating this album.

"I feel like I'm in an amazing songwriting place; instead of being closed off, I'm thinking about positivity and how I can do something creative," she explained. "I'm just doing what I want to do. It's so incredible to be in that zone. I'm always looking for the next song, and now I don't have to be insecure or write about heartache."

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