Reese Witherspoon, Ryan Phillippe Reunite at Disneyland for Son Deacon’s Birthday

 Sharpshooter Images/Splash News Online

The happiest place on earth brought Hollywood's early 2000s golden couple back together!

Reese Witherspoon and ex-hubby Ryan Phillippe put on a united front for the sake of their kids on Sunday at Disneyland in Anaheim, Calif. The duo, who divorced in 2007, celebrated their son Deacon's eighth birthday at the theme park. (They're also parents to Ava, 12.) 

PHOTOS: Reese, Jim and her kids

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The Cruel Intentions costars have both moved on with their separate lives: Witherspoon, 35, married talent agent Jim Toth in March. (According to the Daily Mail, Toth, 41, was not along for Deacon's birthday outing.) Phillippe, 37, welcomed a daughter, Kailani Merizalde Phillippe Knapp, in July with ex-girlfriend Alexis Knapp. 

PHOTOS: Reese's adorable mini-me Ava turns 12

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Although Witherspoon and Phillippe appear to get along for the sake of their kids, the Academy Award winning actress admitted being a single parent had been difficult. "Until I got remarried, I don't think I realized how stressed I was. I feel so much relief," she told Marie Claire in September.

PHOTOS: Reese and Jim's romance

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She also told the magazine that, before she met Toth, "Somebody close to me once said, 'Oh, no man will ever accept your children.' And I just thought it was the most horrifying thing someone has ever said to me in my entire life."

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