Alaina Reed, known as Olivia from Sesame Street from 1976 to 1988 and Rose in 227 has passed away.
This is from The Muppet Mindset blog
Earlier today, it was reported that Sesame Street's Alaina Reed, who played Olivia, Gordon's younger sister, passed away. This news is incredibly sad for fans of the show, who will remember Alaina appearing on Sesame Street from 1976 to 1988, as well as starring in two of Sesame Street's most famous productions, Christmas Eve on Sesame Street and Follow That Bird. We wish our deepest condolences to Alaina's family and friends and we hope she has found peace.Rest in Peace