She may play Princess Fiona eight times a week in Shrek the Musical, but Sutton Foster’s made good use of her downtime lately, thanks to Wish, her debut album that just came out on Ghostlight Records. The Broadway star recently performed at Lincoln Center, as part of their Great American Songbook series, and just booked two shows (April 6 and 20) at the equally swanky Feinstein’s. On February 27, however, Foster was in full-on, "casual Friday" mode during an in-store performance and CD signing at the Barnes and Noble across at Lincoln Center. Fans got the chance to see hear the Tony Award winner sing several songs from Wish (“Up the Ladder to the Roof” and “Sunshine on My Shoulder,” to name two) and, of course, have Foster personalize the