Fans of Susan Boyle and "American Idol" star Adam Lambert are in for a big treat if the latest rumours are true!

Word on the street is that Adam and Susan will do a duet on "The Oprah Winfrey Show" being taped on Jan. 16.

Susan of course has already been on Oprah via satellite link but this would be a first for the teen idol Adam.

He's done some big-name sit-downs since releasing his debut album but Oprah's the biggest name of the them all.

"The Oprah Winfrey Show" will not comment on upcoming bookings but Adam Tweeted confirmation that he was appearing on his Twitter page. "Oprah: def true."

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