pointed out, when she met him on his Summer Sixteen tour.
Harris's father Jimmy Jam is a famous R&B producer, so they may have connected privately earlier.
Earlier this year, Rihanna gave J-Lo a pair of hip-high, jewel-encrusted denim boots from her design collaboration with Manolo Blahnik - which Jennifer then wore in a music video On The Floor.
But sources told The Sun that the new romance has not gone down well in Ri Ri's camp, and said: "People in Rihanna’s circle are saying she is very unhappy about the whole thing.
Her last marriage to Marc Anthony officially ended in 2012 and she has recently split from backing dancer Caspar Smart in the summer after four years together.
Drake and Rihanna's relationship was highly publicised after he announced his undying love for her in front of millions at the MTV Music Awards in August.
To make matters even more complicated, he used to date her sister, Crystal Westbrooks.
In late October, he appeared to have moved on again, and was linked to pop princess Taylor Swift after the pair were seen flirting at his birthday bash and rarely leaving each other's sides.
The pair even sparked engagement rumours when Rihanna was spotted with a flashy diamond ring on her finger, and they even got matching shark tattoos.
However, by October, Drake had already reportedly moved on to reality star and Instagram model India Love - after his and Rihanna's gruelling work schedules proved too much for an exclusive relationship.
Hotline Bling star Drake turned 30 back on October 24 - and celebrated the event with a raucous A-List party that included arch-rivals Katy Perry and Taylor Swift as guests.