Jessica Biel opens up about Silas Randall Timberlake

Jessica Biel and Justin Timberlake welcomed their son in April 2015.

Jessica Biel has opened up about how motherhood has changed her life. The It's Not a Bad Thing singer and the 34-year-old actress welcomed their first child, Silas Randall Timberlake in April 2015.

Biel told OK! magazine: "So amazing. So lovely. I'm over the moon! It's probably the most challenging job in the world, but also the most joyous."

Adding on, the Total Recall star revealed her favourite time to spend with her bundle of joy. She said: "He looks up and sighs and I can feel his smile from deep inside. That feels like pure magic."

Meanwhile, Biel will be seen in the upcoming movie The Devil and the Deep Blue Sea, directed by Bill Purple, and Justin worked on the soundtracks for the film. She revealed: "We were having dinner at our house, early on, and he expressed a sort of off-hand interest. Then when it became real, he was like 'Ummm... I don't know if I'll have the time!' But he loved the story and he jumped at it and did a spectacular job."

Meanwhile, in an interview with Ellen DeGeneres in April 2013, Justin, who previously dated Britney Spears and Cameron Diaz, opened up about his relationship with Biel saying: "It's nice to marry your best friend. It suits me.

"Every once in a while I can catch a glimpse of her when she doesn't see me looking, and I have this moment where I'm like, 'If you never make a good decision...if you only make bad decisions for the rest of your life. You made one really good decision'," he added.