Look out Vonda Shepard
reports that Ally McBeal
's newest legal eagle, Robert Downey Jr.
, will sing two songs on the show's new holiday-themed CD, A Very Ally Christmas
, due in stores Tuesday. The actor who signed on to do 10 episodes of the David E. Kelley
drama after being released from prison last August will belt out a cover of Joni Mitchell
's "River" and collaborate with Shepard on a duet of "White Christmas."