Selling Sunset’s Mary Fitzgerald has called her co-star Chrishell Stause’s new partner GFlip “very sweet”. Chrishell went public with her romance with non-binary singer GFlip in May five months after her split from her boss and co-star Jason Oppenheim – and Mary has now been grilled about her pal’s new relationship. During an appearance on UK TV show ‘Lorraine’, Mary said: “Her new partner is very sweet and Chrishell seems very very happy.” Chrishell and Jason’s relationship crumbed last year and he was seen getting emotional on the Netflix show’s reunion special. Mary also previously dated Ja…