The Sopranos stars TONY SIRICO and STEVE SCHIRIPPA are to portray Sesame Street regulars BERT + ERNIE as part of the childrens show's Christmas (07) special. Dreamgirls co-stars Jamie Foxx and Jennifer Hudson and Ben Stiller will also take part in the one-hour holiday show. Alicia Keys, Sheryl Crow and Brad Paisley will perform Christmas tunes on the programme, which will air in America in December (07).