If Hollywood were like kindergarten, would LINDSAY LOHAN struggle in the "plays well with others" category? In a one-hour span during the surprise PRINCE concert at Butter on June 15, the 19-year-old verbally sparred with nemesis PARIS HILTON, as well as with Diddy. (Hotheads all around: A source tells Insider Diddy later had his bodyguards evict Lohan from her own table. "Lindsay did nothing wrong," insists a Lohan source. "She wanted no drama.") So, how should a feisty redhead—or anyone, for that matter—tame a temper? "The first step is figuring out your triggers," says anger-management expert Dr. Michele Borba, author of Don't Give Me That Attitude! "If you know what's likely to tick you off, you can control yourself when you see it coming."
BOYS' NIGHT OUT
BRITNEY SPEARS and KEVIN FEDERLINE kept up their newly reunited front Father's Day weekend, spending Saturday aboard a rented yacht in Miami and taking in Game 5 between the Miami Heat and Dallas Mavericks on Sunday. Even when a solo Federline hosted the Friday night bash at Mansion to promote his album, "he was on his best behavior," says a clubgoer. (Other VIPs: TAYE DIGGS and FAT JOE.) K-Fed did manage to have a little fun, hitting the turntables and celebrating a pal's birthday with cake and Cristal.
For her belated 25th-birthday party June 16, ANNA KOURNIKOVA and ENRIQUE IGLESIAS celebrated with a good old-fashioned food fight. Who won? The birthday girl, of course. Her beau was spotted leaving the bash at South Beach's Lucky Strike bowling alley covered in cake.
CAMERON DIAZ and JUSTIN TIMBERLAKE took a late lunch June 15 at Asia de Cuba at the Mondrian Hotel in L.A. "They were very much focused on each other," says an observer.
GISELE who? LEONARDO DICAPRIO hit L.A. hot spot Shag June 19 with girlfriend BAR REFAELI. They chatted with KEVIN CONNOLLY and EVE, but Leo only had eyes for her. Says one witness: "He was very cute with her."