Hayes joined the UK hip-hop star for a meal at the famous restaurant Nobu last night, according to the Daily Mail,
The pair then went on to the Funky Buddha nightclub in Mayfair for the rest of the evening, where they were joined by Chelsea footballer Didier Drogba.
The Big Brother star was reportedly blowing kisses at passers-by throughout the evening.
An onlooker commented: "Despite being the youngest, Chanelle was partying the hardest."
Hayes split up with fellow Big Brother star Ziggy Lichman last week.