Radar obsessively tracks the boldface names in the country's top gossip columns—Rush & Molloy, Cindy Adams, Page Six, Liz Smith, Gatecrasher, and MSNBC's The Scoop ...

Reese Witherspoon: Two mentions (Rush & Molloy, Page Six). While the tabs yap about Reese's fledgling relationship with Jake Gyllenhaal, Witherspoon's ex, Ryan Phillippe, courts hoochies aggressively at L.A. nightspot Teddy's with pal Joseph Gordon-Levitt.

Katie Couric: Two mentions (Gatecrasher, Page Six). Perky Couric's newest title: cougar. The 50-year-old news diva is spotted around town with 33-year-old triathlete Brooks Perlin.

Lindsay Lohan: Two mentions (Gatecrasher, Page Six). While Lindsay is sober in Tokyo with DJ Samantha Ronson, mama Dina allegedly throws back vodka and champagne at Miami's Shore Club.