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Reunited and it feels so...tense.

Tiger and Elin Woods were seen together for the first time in several months on Saturday.

The occasion: daughter Sam's belated third birthday party near the Windermere, Fla. mansion the couple once shared. The pro golfer was in California for the U.S. Open on Sam's actual birthday, June 18.

Radaronline reports that the couple didn't talk much but were "civil" for the sake of their eldest child. (Son Charlie is 16 months.)

Last month, Us Weekly reported that the spouses, whose marriage disintegrated after Tiger admitted numerous affairs, are hammering out the details of their divorce.

Elin "wants more money than Michael Jordan's ex got," an insider says, referring to the former NBA star's $168 million settlement with his wife. Another source says Tiger, 34, and Elin, 30, plan to "share" custody of the kids.

One stipulation for Swedish native Elin: "She wants permission to take them to Sweden whenever she wants."