Jessica Biel dropped by on "Jimmy Kimmel Live" on Wednesday to talk about her new movie, "The Book of Love," and how interesting it was to work with her husband Justin Timberlake.

The famous male pop star actually contributed to the production of the movie, which Biel produced and also starred in. It all went down in early 2015 while Biel was heavily pregnant at 8 months with their first child, Silas.

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Thankfully, she was not hormonal at the time and was in fact very supportive of her husband as he helped compose music for the film using his own songwriting talents and a wide variety of instruments, something he has never done before in his career.

"He put together a massive string and horn section, and then he hires the guy who writes all the parts," Biel proudly shared.

While Biel went on to talk about how Timberlake picked out a handful of musicians to perform, Kimmel reiterated the fact that Biel also had to hire her husband for the job. The host then asked if she ever had to turn him down or at least tell him if she thought something didn't work.

"Anything I didn't like, I would just say, 'I love it, baby.' But I would tell [my co-producer] Michelle, 'Tell Justin you don't like that.' Why would we ever be truthful?" Biel joked.

Kimmel then noted how her Golden Globe-nominated actor-singer spouse can sometimes be "annoyingly talented."

Watch Jessica Biel's interview below:

TagsJessica Biel, Justin Timberlake, Jimmy Kimmel, Jimmy Kimmel Live!, Celebrity Interviews, celebrity couples, The Book of Love