“Invitation Only: Reba McEntire” (9 p.m., CMT): On “Invitation Only: Reba


August 21, 2009 at 12:00a.m.

“Invitation Only: Reba McEntire” (9 p.m., CMT): On “Invitation Only: Reba McEntire,” the country-music superstar performs some of her greatest hits and offers a preview of her newest album, “Keep On Loving You.”