Gwen Stefani thinks the Super Bowl is all about the food and drinks. The 54-year-od pop star – who is married to country music singer Blake Shelton – is gearing up to perform a headlining show in partnerhsip with TikTok at the major sporting event on February 11 but admitted that she and her husband are “already discussing” what will be on the menu for them that day. She told People: “We are already discussing the food. It’s really about that and the drinks and how are we going to indulge? And I said to [Blake], I was like, ‘Why are we even having this conversation? You know that I’m going to …