Gigi Hadid’s Look Has Us Ready for the Taylor Swift x Stella McCartney DropAriana Grandehas been open about the fact thatshe's taking time to heal There's no doubt about it: Mackenzie's one to watch. And we're not just saying that because of the whole vampire thing.Related: is the best way to throw it back to your childhood.Beethoven’s Christmas Adventure Back in 2011, she made her big-screen debut acting alongsideRobert PattinsonandKristen Stewart