Chris Brown slept with a Reality Star in Paris in the Presence of Ex, Karruche

French reality star Ayem Nour says she slept with Chris Brown in Paris.

Ayem tells French magazine she hooked-up with Chris Brown in Paris last weekend and had sex in his hotel room even though his girlfriend Karrueche Tran was right there.

Ayem says Chris and Karrueche's relationship is very open and that Karruehce didn't mind one bit.

Ayem tells the mag; "It was beautiful and flattering. Some will criticize me, but I put any girl in challenge to say no to Chris Brown!"