"Nina just wrapped on a project and is about to start another and her schedule has been a huge part of it. They haven't been spending much time together since the end of the summer."
PEOPLE confirmed the actors were dating in July.
Glen's acting credits include Hidden Figures, Ride Along 2, The Expendables 3, and the now-canceled TV series Scream Queens.
The pair had been rumoured to be dating since January after ringing in the New Year with friends in Texas. In addition, that same month, Powell was spotted at the Los Angeles premiere of Dobrev’s film xXX: Return of Xander Cage and they also attended a Golden Globes after party together.