Machine Gun Kelly brought his number one girl to the 2021 American Music Awards on Sunday!While girlfriend Megan Fox was off filming a movie, the rapper — who was presenting at the AMAs in addition to being nominated for Favorite Rock Artist — brought his 12-year-old daughter, Casie Colson Baker, to the awards show. The pair looked totally stylish in matching black ensembles and sweetly held hands on the red carpet. Casie, who is MGK's daughter with ex Emma Cannon, told ET's Cassie DiLaura that