Wilson tipped off her cousin Courtney Wilson, “That’s Ellen.” Degeneres looked up and gave Tiff “a very, very pleasant smile, kind of letting us know it was she.” To jar Courtney’s memory, Tiff lapsed into some Ellenesque silliness — dancing, slapping her tiny behind and singing “and booty slap, and booty slap. She did that booty-slap routine on some music awards show.”