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Alanis Morissette performs 'You Oughta Know' during the 2015 American Music Awards in Los Angeles, California November 22, 2015. Image Credit: REUTERS

Singer Alanis Morissette is expecting her second child with husband and rapper Mario Treadway.

Morissette announced the news on her official website on Friday via an animated music video telling the story of the couple’s life together.

The love story ends with the family of three gazing at a sonogram of the new addition to their family.

Morissette, 41, wrote the song with British composer Guy Sigsworth in 2010 to surprise Treadway before the birth of their first child, five-year-old son Ever.

The animation was done by Brendan Huza shortly after and the singer explained that it will evolve throughout each chapter of her life.

“The story of my nuclear family in moving pictures, brings us up to this sweet moment.

“May this song take on ever-deepening meaning as each year goes by,” she wrote on her website alongside the clip.