The fiery red head and her beau sipped on champagne as they gazed into each other's eyes at the private party.
The Bajan beauty had popped over to France from London for the climax of Paris Fashion Week, but there was no chance of the singer blending into the front row.
The 22-year-old chose a typically flamboyant multi-coloured dress with white fur stole and ruby high heels as she attended the Miu Miu Spring/Summer 2011 show last night.
Rihanna gave photographers plenty to look at with her plunging neckline and risked the wrath of animal rights campaigners with her fur stole.
The couple were reunited in London on Tuesday after Kemp jetted over from the U.S. following his last baseball game of the season.
Also at the Miu Miu show was Hollywood actress Dakota Fanning and TV presenter Alexa Chung.
Rihanna has spent this week in London promoting her upcoming album Loud, hosting a listening party at the Sketch restaurant in Mayfair for selected media and music industry insiders.