Email a copy of "Hania Barton in Rehab" to a friend.
Barton's younger sister Hania, 19, has just been checked into a rehabilitation facility to treat her addiction to prescription pain killers. Hania Barton (who just turned 19 on February 18), was getting "out of control" according to sources close to the Barton family.
The former The O.C. star, 21, is said to be very upset about what is going on...
