Hayu is hinting at the cast announcement of The Real Housewives of London with a new teaser. The streamer dropped a video sharing the logo for RHOL for the first time, which uses an umbrella as the franchise’s symbol. “London’s calling — who’s on the line? Don’t let it go to voicemail. Cast announcement soon,” reads the caption. RHOL is Hayu’s first original series, an adaptati...