WATCH: Cookie Monster sings 'Take Me Out to the Ballgame' at Wrigley Field

Courtesy: Cookie Monster (Facebook)
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CHICAGO (WIFR) -- A special guest joined the Chicago Cubs for the seventh-inning stretch on Thursday.

Cookie Monster sang "Take Me Out to the Ballgame" at Wrigley Field. The performance came in front of a crowd of nearly 40,000 people.

Watch Cookie Monster sing below: