10/03/2012 at 06:00 AM EDT
indulged in a day of pampering at the Jose Eber Salon in Beverly Hills recently.
Joined by her sister and friends, the group opted for chic blow-outs, glamorous makeup and relaxing manicures and pedicures. The girls shared a few laughs as they de-stressed.
"AnnaLynne was glowing," an onlooker tells PEOPLE.
star is currently working with the Somaly Mam Foundation, which works to end human trafficking and slavery around the world.
– Kate Hogan