Author Jimmy Fallon's new children's book; actor Dennis Quaid ("Reagan"); Porsha Williams' home; singer Thomas Rhett and his wife, Lauren Rhett ("CMA Country Christmas"): behind the scenes of "Young Sheldon"; actor Freddie Highmore ("The Good Doctor"); Matthew Perry engaged; Felicity Huffman's return to acting; Jillian Bell and Isla Fisher ("Godmothered");—anonymous