Reese Witherspoon, Kylie Jenner and more celebrity parents have bonded with their little ones over holiday baking.The Oscar winner posed for a pic with her gingerbread house in December 2020, writing via Instagram: “One of my favorite things about this time of year is decorating gingerbread houses with my kids, well … OK … we mostly just eat the candy.”The Big Little Lies alum’s sweet treat was covered in white frosting and colorful gummy decorations.