August 17, 2011 01:00 PM


After checking into rehab last month, Grey’s Anatomy hunk Eric Dane gets back to daddy duty, escorting 17-month-old daughter Billie Beatrice to a Beverly Hills park on Monday.

The actor “voluntarily checked himself into a treatment facility to help him get off of pain medication that he was prescribed for a sports injury that he suffered over the recent hiatus,” his rep tells PEOPLE.

Dane, 38, and wife Rebecca Gayheart expect their second child this winter.

RELATED: Spotted: Rebecca Gayheart and Billie – Swing Set

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