Brad Paisley Joins Elmo for All-Star Special

7/25/2007 Stephen L. Betts Brad Paisley will perform in Elmo's Christmas Countdown on ABC later this year. Other guests on the holiday-themed special will include Sheryl Crow, Jamie Foxx, Jennifer Hudson, Alicia Keys and Extreme Home Makeover host Ty Pennington. The Sopranos' Tony Sirico and Steve Schirripa will portray Bert and Ernie in a skit, and Ben Stiller will voice a character called Stiller the Elf. Sesame Street regulars Big Bird, Grover, Oscar, Count von Count and Snuffleupagus will also appear.