News Gayle King 'Fell Off' the Weight Watchers Wagon for Her Birthday With a Massive Cake By Zach Seemayer 8:03 PM PST, December 29, 2015 Instagram Gayle King allowed herself to indulge in some sugary decadence for her birthday on Saturday!The 61-year-old CBS This Morning anchor -- and best friend to Oprah Winfrey -- "fell off [the] Weight Watchers wagon" when she enjoyed an enormous, multi-tiered birthday cake.WATCH: Celebrity Spokeswomen & the $40 Billion Weight-Loss IndustryKing shared pics of the delicious-looking delicacy to Instagram on Tuesday, and it's not hard to see how a confection like that could lead someone off the healthy eating path. View this post on Instagramcan't celebrate birthday without THE CAKE! The official bd photo & special thank YOU to chef@montifrederic! Yellow w/bananas foster filling & layer of caramel .. Yep fell off @weightwatchers wagon..Back on track today !A post shared by Gayle King (@gayleking) on Dec 29, 2015 at 8:58am PST"Can't celebrate birthday without THE CAKE!" King captioned the cheerful b-day pics. "Yellow w/bananas foster filling & layer of caramel .. Yep fell off @weightwatchers wagon. Back on track today!"Considering her bestie Oprah is the new spokesperson for Weight Watchers, King better get back on track, or things might get kind of awkward.WATCH: Oprah's Powerful Weight Watchers Commercial Is Bringing People to TearsIn fact, just days before King ditched the diet to dive into deliciousness, Oprah appeared in a powerful commercial for Weight Watchers where she talked about her own struggles with losing and gaining weight that brought many to tears.Check out the video below for a look at Oprah's emotionally-charged commercial.Oprah's Weight Watchers Ad Is Profoundly Moving Viewers Embed CodeRestartRelated GalleryStar Shots: What's On Instagram and Snapchat?