Andy Cohen celebrates the 15th anniversary of his late night talk show, Watch What Happens Live this year! Out of all of the celebrities and Bravolebrities he has had on the show, there is one that has been a guest more than anyone else! One of the OG housewives, Teresa Giudice has been a guest on the show 42 times since it premiered in 2009!
(Photo by Evan Agostini/Invision/AP)