Halle Bailey “can’t function” unless she knows her baby boy is nearby. The ‘Little Mermaid’ actress and her partner DDG welcomed her son Halo into the world last year, and she took him with her when she went away to film her latest project. She told Entertainment Tonight: “He was living with me every day. Because I can’t function unless I know he’s like near me. He loved it there [in Virginia].” The 24-year-old star has loved getting used to motherhood, and some days she struggles to “believe” she helped create Halo. She added: “It’s been so beautiful. I mean, I’ve never been more in love with…