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ABC News' Suzan Clarke and Natasha Singh report:

Did Ashton Kutcher visit Demi Moore in rehab? According to new reports, he did.

Moore was hospitalized in January when she went into convulsions after smoking an incense-like product, according to a friend who called 911.

She spent a month in rehab for "stress and exhaustion," reportedly checking out last week.

The 49-year-old actress has apparently been struggling after separating from her much younger husband in November amid rampant rumors of his alleged infidelity.  In stark contrast, Kutcher, 33, has been traveling and partying in the company of beautiful women.

The "Two and a Half Men" star even tweeted a picture of himself with rumored girlfriend - screenwriter Lorene Scafaria - in Italy.

According to Joey Bartolomeo from People magazine,  "Ashton hasn't publicly spoken about Demi since her health crisis began in January but according to a source he has seen her … and he wanted to do it because he's very close to her daughters and he knows it would mean something to them."

The two have maintained that they are not reconciling.

Moore and Kutcher were married for six years, and the actress has been showing the strain of the separation. She dropped out of a Linda Lovelace biopic in which she had been cast to play Gloria Steinem, and her physical appearance changed.

"After Ashton and Demi split she started looking a lot thinner and friends were really worried about her well-being …," Bartolomeo said. "She was very fixated on looking young and staying sexy and feeling like she was hot."

Moore previously battled drug and alcohol problems in the 1980s, and sought treatment in rehab.