Rarely Seen ’70s Child Star Makes Surprise Appearance

Sonia Moskowitz/Images Press/Getty Images Late 1970s and early ‘80s teen idol Kristy McNichol delighted fans with a surprise appearance in a singer’s selfie. The Family star announced her retirement from acting in 2001 at just 38 and has rarely been photographed since. But on July 20, the now-63-year-old was captured in a selfie by singer Carnie Wilson, who posted it to Facebook. “Totally fangirling!!!” Wilson, the eldest daughter of Beach Boys co-founder Brian Wilson and a member of pop group…