Watch Jessica Biel Sing! Mom Wants Her to Duet With Justin Timberlake#CCCW

Move over, Justin Timberlake - youre not the only singer in your family! She wowed us and surprised us last night at the premiere of her new movie The Book of Love when she broke out into song for my birthday with an impromptu performance of Stevie Wonders Happy Birthday. My mom wont stop with the duet, Biel revealed. But then she added, Maybe in the shower, a shower duet, Well, not really. Its more like the bedtime routine, like singing the baby to sleep - thats really where the duets happen. What does Jessica think of their little one going into show business like his parents? Find out what she told me about that and more on tonights E!