Jennifer Lopez Finishes Triathlon in 2 1/2 Hours  —  Jennifer Lopez completed the Nautica Malibu Triathlon in 2 hours, 23 minutes and 38.8 seconds  —  on Sunday.  —  The singer, 39, pumped her arms in the air and smiled broadly as she crossed the finish line of the swimming-running-biking event.

Britney Spears Throws a Car & Truck Themed Birthday Bash for Her Boys  —  Jayden and Preston Spears  —  Britney Spears revved up the celebration for sons Preston and Jayden on Saturday, throwing her sons a joint car and truck-themed birthday bash in Los Angeles.  —  And the party was truly a family affair.

Mark Ronson and Daisy Lowe break up over 14-year age gap  —  Superstar DJ Mark Ronson, the pop guru behind Amy Winehouse and Lily Allen, has split from his girlfriend, Agent Provocateur model Daisy Lowe - with friends blaming the 14-year age gap between them.  —  The sudden split follows a heated argument four days ago.

Fey As Palin  —  In case you missed it, here's the one and only Tina Fey as Sarah Palin on “Saturday Night Live” last night.  Fey seriously became Palin!  This whole skit was made of magic.  Yes, I was drunk when I first watched it, but I saw it again this morning and still giggled …

Biggest Loser Stars Matt and Suzy Welcome a Boy  —  Just in time for a whole new season of The Biggest Loser, alumni Matt and Suzy Hoover delivered their second boy on Thursday, PEOPLE has learned exclusively.  —  Jax Paul, who was born at Valley Medical Hospital in Seattle, weighed in 7.6 lbs., and measured 18.75 inches long.

Rhianna: Million dollar baby  —  Rihanna's had the biggest single of the decade, sold ten million albums and is still only 20.  Is there such a thing as too much, too young?  Live met her balancing on a balcony ledge in Barcelona to find out  —  For a girl whose legs alone are insured for $1 million …

Matt Damon, Wyclef Jean Hand Out Food in Haiti  —  Matt Damon serves food with Wyclef Jean  —  Matt Damon took a trip the Caribbean this weekend, but not to shoot a movie or relax.  He went to Haiti with buddy Wyclef Jean to deliver food to hurricane victims.

Barack Obama Cancels SNL Appearance  —  Barack Obama  —  Barack Obama has pulled out of his scheduled appearance on Saturday Night Live due to Hurricane Ike.  —  The Democratic presidential nominee's spokeswoman, Jen Psaki, told the Associated Press that Obama didn't feel like it was appropriate …

Kathy Griffin, Cynthia Nixon Win Creative Arts Emmys  —  Kathy Griffin might need to consider adding another member to her staff just to carry around her Emmy awards.  —  The comedian won her second Emmy on Saturday, picking up the trophy for best reality program for her Bravo hit My Life On the D-List.

Rachel McAdams Kissing Who???  —  There's a lot of celebrities playing tonsil hockey this weekend!  —  Click inside to find out who Rachel McAdams has been smooching...  Hint: It's not her on-again-off-again-on-again boyfriend Ryan Gosling!  —  Eric Bana!  Eric Bana!  Eric Bana!