"They were leaning in to each other, laughing and being flirty. Rihanna kept pushing her hair out of her face and Chris appeared to be almost whispering in her ear." "They looked cute together - maybe they're working on a new project; maybe they're trying to make certain people [Chris Brown and Gwyneth Paltrow] jealous or maybe they're actually dating. I was surprised to see them together!"From the looks of it, it was business as usual. Perhaps a second collaboration? The two first recorded "Princess Of China" back in 2012 for Coldplay's fifth studio album "Mylo Xyloto."