Cameron & Robbie’s Go Karting Leaves Timberlake Worried

The Enquirer reports *NSYNC star Justin Timberlake was frantic after learning girlfriend Cameron Diaz was seen go-karing in Berlin with Robbie Williams, who she had been linked to in the past. “Justin is jealous,” an insider said. The insider said Timberlake “is worried that Robbie may be making Cameron’s heart race as well.” But Diaz told Timberlake not to worry. “Cameron has assured Justin that he’s being ridiculous to worry about her running off with Robbie,” the insider said. “But if he can’t get over it, it could destroy the relationship he’s trying to save.”