She set tongues-wagging last week after she was spotted with an eye-catching diamond ring on her wedding finger.
And as speculation mounts, Rihanna cut a stylish figure as she jetted into London alongside her beau Hassan Jameel on Monday.
The 29-year-old hitmaker donned a warmth-inducing red, white and navy print coat as she walked through Heathrow Airport with her Saudi Arabian boyfriend.
The Work singer teamed her horse patterned jacket with a pair of skintight leggings which highlighted her slender pins.
Ready to combat the chilly temperatures, she placed a thick black scarf over her neck while she donned a pair of shades while walking through the terminal.
Complementing his stylish other half, Hassan appeared ready for the chillier weather as he sported a padded jacket over a thick jumper.
The businessman teamed his look with a pair of grey jeans, matching trainers and a beanie hat following his long-haul flight.
According to eyewitnesses, the pair took over two hours to come through the terminal.