Adam Lambert to Join 'Glee'

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Singer-songwriter Adam Lambert will be joining Glee for its fifth season, co-creator Ryan Murphy announced Wednesday evening via Twitter.

Lambert, who rose to fame as the runner-up on American Idol's Season 9 (won by Kris Allen), has released two albums since signing a record deal shortly after his Idol stint.

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His most recent album, Trespassing, led by his single "Better Than I Know Myself," has peaked at No. 1 on the Billboard 200 and in Canada as well.

While the 31-year-old has little television acting to his name, he has a background in stage acting and had a small role in the 2006 musical film The Ten Commandments: The Musical.

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's Season 5 is slated to premiere September 19 on FOX.