Justin Timberlake is finally ready to focus all of his romantic attentions on Jessica Biel. After months of dating various Hollywood starlets including the Scarlett Johansson and enjoying the single life, Justin is taking himself off the market.

Justin, who split with Cameron Diaz earlier this year, was first spotted with Jessica Biel at a Golden Globe afterparty. Since then, Jessica and Justin have been spotted together several times in L.A and at major Hollywood events like the Sundance Film Festival.

Over the last fews months, the relationship appears to have gotten pretty serious; Jessica has even traveled to the U.K to stay with Justin while he was on tour.

According to People magazine a source close to Justin says that "Justin's in love. She's the coolest chick ever. He wants to be with her all the time. He's ready to be serious."

When asked about the relationship; both stars' reps had no comment.