Melanie Griffith has checked into rehab at Utah's Cirque Lodge, People reports.
"She is there to reinforce her commitment to stay healthy," her rep Robin Baum said. "This is part of a routine plan that was designed between her and her doctors years ago."
See photos of Melanie Griffith
This is the actress' third stint in rehab. In 1988, she entered a facility to overcome alcoholism and cocaine addiction after shooting Working Girl
. She also sought treatment in 2000 for a painkiller addiction, which she developed after taking medication for a neck injury.