Actress Christina Applegate is seen sporting two necklaces from jewelry designer Alex Woo. She is seen wearing the silver Open Heart Necklace --which is a charitable piece where net proceeds are donated to the Women's Cancer Research Fund. Christina is also sporting Alex Woo's silver question mark from the Little Letters collection. Alex recently designed the Tree of Life pendant to benefit Christina's breast cancer foundation, Right Action for Women. The net proceeds from the Tree of Life pendant are donated to the foundation.