Jessica Biel has revealed that her two sons, Phineas, 4, and Silas, 10, have a clear favorite when it comes to their parents' cool factor. The actress made the admission during an appearance on The Tonight Show with Jimmy Fallon on Tuesday, May 20.

Who's the Cooler Parent?

When asked by Fallon if her sons know how cool they are, the actress replied, "No, not at all." Fallon insisted that it couldn't be true, given that Biel and her husband Justin Timberlake are both celebrities. However, Biel believes that her sons think Timberlake is the cooler parent, mainly due to his music background and the fact that he's their dad.

"I think they think Justin's kind of cool, because the music element, and like he's Daddy," Biel explained. "I am so lame to them."

According to Biel, her younger son Phineas has even started saying "Mom, you have the worst ideas" around the house. Fallon couldn't believe it, asking, "He's 4-years-old?"

Biel responded, "I'm like, we're already there? And Silas is like, 'Don't engage Mom. Back up off the field.' Like he's playing baseball now. He's like, 'Don't say anything. Back up.'" She added that Silas has become quite the DJ and even DJ'd his 10th birthday party, mixing songs from Jackson 5 to Justin Timberlake's music.

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