E! has announced new series “Chasing The Saturdays,” slated to join the net’s lineup next year.Unscripted skein centers on UK femme pop group The Saturdays and their Stateside life in Hollywood. E! has ordered 10 half-hour episodes of “Chasing The Saturdays” and will bow the series on Jan. 20 at 10 p.m. “Chasing” is produced by Comcast Entertainment Studios. Peter Engel, Albert Spevak, Perry Dance, Ted Iredell, Peter Loraine and Jay James are exec producing.