Kendall Jenner and Bad Bunny Attend 'SNL' Afterparty with Lady Gaga and Ex-Fiance

Bad Bunny brought his GF, Kendall Jenner, to 'SNL' .... she didn't appear on the show, but they were super tight during the afterparty. BB, Kendall and the cast, along with guest stars Pedro Pascal, Mick Jagger and Lady Gaga, all hit up Le'Avenue…