Halle Bailey's no. 1 fan is her own sister, and their sweet moment on the carpet at Monday's premiere of made that abundantly clear.As Halle's sister, Chlöe Bailey, spoke with ET's Nischelle Turner on the blue carpet in Hollywood, their chat was punctuated by Halle's arrival — which led to the pair yelling as they ran across the carpet to one another and embraced.It was a heartwarming and emotional moment of sisterly love that had Halle beaming as she came to speak with ET shortly after.«Oh my gosh, I'm so happy that my sister's here,» Halle gushed.