November 21, 2012 12:20 pm Kelly Clarkson Celebrates Her 30th Birthday While promoting her new album, “Greatest Hits: Chapter One,” Kelly Clarkson talks about celebrating her 30th birthday and what advice she would have given to her 19-year-old self. US & World Videos 1:45 NYPD enters Columbia University in riot gear to clear protest 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 2:04 Arrests made, camps removed during pro-Palestinian protest at UConn 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug