The RHOBH cast member gave a look at her bond with her On Brand with Jimmy Fallon co-star. Boz Saint John has so much "love" for Jimmy Fallon. Boz and Jimmy are set to appear on NBC's On Brand with Jimmy Fallon, where creative hopefuls will compete to come up with marketing campaigns for some very real brands. Bozoma Saint John celebrates Jimmy Fallon's birthday on her Instagram Story. RELATED: Kyle Richards Reveals Where She Stands with Bozoma Saint John After Season 14 Drama"I'm trying to find my bearings," she admitted.