Lily Allen just brought "Madeline" to Saturday Night Live. During this weekend's episode of the sketch comedy show, the F**k You singer took center stage as musical guest and put David Harbour on blast... by getting up-close-and-personal with "Madeline," herself! Related: It's Really Over! Amy Schumer Confirms She & Husband Chris Fisher Are Divorcing! During a performance of the pointed breakup song Madeline, which revolves around a conversation between her and David's mistress, Lily sings in a revealing black dress while a shadowy female figure can be seen in bed behind a sheer curtain in the...