Tiger Woods' wife amped up split rumors over the weekend.

In her first public appearance since her husband's sex scandal, Elin Nordegren – mother to Sam, 2, and Charlie, 10 months – was spotted pumping her own gas Saturday in Florida.

Missing: Her wedding ring. Nordegren, 29, regularly wears her wedding ring in public.

The new Us Weekly (on newsstands now) reports that Elin could be moving back to her native Sweden. In late September, the former au pair took her kids to tour a lavish $2.15 million estate on its own private island in Vaxholm.

"She seemed excited about it but a little unsure," a close Swedish friend told Us Weekly.

She bought the house in her own name – without Tiger – and paid $850,000 more than the asking price. "She said it was an investment she was making on her own and Tiger wasn't involved," the friend said. "I felt something might be wrong."

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On Friday, Woods — who has been linked to at least 13 women — released a statement saying he was "deeply aware of the disappointment and hurt that my infidelity has caused to so many people." He also said that he is taking an "indefinite break from professional golf. I need to focus my attention on being a better husband, father, and person."

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