TV Betty White to Open 'MNF' Season Finale By Raphael Chestang 4:09 PM PST, December 22, 2011 Getty Images Are you ready for some football? Betty White sure is. The 89-year-old actress will be featured on Monday Night Football next week.MORE: Betty White Proves She's Still "Hot"ESPN has confirmed that Betty will star in Monday's holiday-themed opening just before the Atlanta Falcons take on the New Orleans Saints for the last MNF game of the season. Betty reportedly shot the segment yesterday in California.MORE: Betty White Receives Marine Corps Ball InviteThis isn't the Emmy winner's first introduction to football fans, as she caused a stir last year with her memorable Super Bowl commercial, sponsored by Snickers.To see Betty's "White" Christmas segment, tune in to Monday Night Football on December 26 at 8:30 p.m. ET on ESPN.