Both of them were seen at an event recently and Romeich was videotaping the performances and Romeich stopped paying attention to what he was doing for a while, when they were behind the scene.
The kiss looked intimate to onlookers and they are saying Romeich would be worried that his partner might be upset if she saw him kissing Shenseea; so he would never take a chance like that, if he had a partner.
It could be whispering in her ear and it could look like a kiss on the cheek. The Manager and the artiste are doing well together, her career is doing well.
Shenseea could be showing her gratitude to the man who she told that she is grateful for what he did for her. We can never tell.