The 20-year-old actress said that the 'Umbrella' hitmaker would be her dream co-star in the soap, reported Sun online.
"She is single and ready to mingle! I'd have Rihanna as her dream girlfriend," Vincent said.
In the show, Webster has separated from girlfriend Sian Powers, played by Sacha Parkinson at Christmas.
In real life, Vincent is dating Chelsea footballer Josh McEachran.