The couple, who have been romantically linked since the beginning of the year, have kept quiet until now about their romance.
When asked if he was in a relationship with the music star, Kemp told Us Magazine: "Yeah! That's my girl! She's just a fun person. I love to be around her. She's definitely a great person in my life and I'm happy I'm with her."
The sports star also said that they have to cope with a long-distance relationship, saying: "She's definitely not gonna be here for a little while. Hopefully when she gets back she'll at a couple [of my] games."
Rihanna recently said of Kemp: "It's love! I'm really happy right now."
