Rachel Frederickson, Biggest Loser Winner, Gains 20 Pounds, Mariah Carey Doesn’t Know Who Kim Kardashian Is: Top 5 Thursday Stories

Rachel Frederickson and Mariah Carey
Rachel Frederickson has gained 20 pounds since winning The Biggest Loser, Nick Cannon said Mariah Carey doesn't know who Kim Kardashian is, and other top stories from April 3 Juergen Reisch; Charles Sykes/Bravo/Getty Images