Plot: Ellen picked the Green Bay Packers to win the Super Bowl this year -- and thanks to MVP AARON RODGERS, they did! During a press conference, he even mentioned he had a crush on Ellen. CHRISTINA APPLEGATE will be watching her back when she stops by -- she was the first celebrity Ellen scared on the show! Christina's always ready for a fun time when she's here! What happens when you team country music superstar JASON ALDEAN and pop superstar KELLY CLARKSON? You get the incredible song, "Don't You Wanna Stay" -- and they're both here to perform it for Ellen