December 26, 2013 10:48 am Bieber Tweets Leave Fans Confused 19-year-old pop star Justin Bieber took to twitter to announce his retirement. But additional tweets left fans wondering exactly what that means. Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed