Brooke Mueller, Lindsay Lohan, Demi Moore: Celebrity Rehab Repeaters (PHOTOS)
is off the wagon again, returning to rehab
for the 19th time.
She joins a number of stars who have checked into rehab multiple times, including Mueller's ex-husband Charlie Sheen, Lindsay Lohan, Demi Moore, and Keith Urban.
see celebrities who have successfully rehabBed
Mueller checked into a rehab facility Monday night after she was hospitalized for an alleged drug overdose last week, TMZ
The third ex-wife of Sheen has been reportedly addicted to the prescription stimulant, Adderall, commonly used to treat individuals with attention deficit disorder.
See what other celebrities have been to rehab at least twice by clicking through our gallery.