Find out what Taylor McKinney is saying just days after proposing to Maci Bookout. Maci Bookout and Taylor McKinney recently became engaged. 'Teen Mom OG' Maci Bookout's Fiance Shares Proposal Photo Following what appeared to be a tense conversation with friends, in which McKinney was put on the spot about when he'd get down on one knee, McKinney proposed to Bookout, the mother of his daughter Jayde, on the beach in Los Angeles.