Did Usain Bolt cheat on his girlfriend in Rio?!

While Rumors swirled that Usain Bolt was set to settle down with his longtime girlfriend Kasi Bennett after retiring from the field, new photos has surfaced of Usain in bed with a Rio student the night after his 30th birthday! Jady Duarte, 20, shared pictures of the topless athlete on Whatsapp as more photographs emerged reportedly showing Bolt kissing a second woman at the club.The Olympic champion is seen kissing the mystery brunette, who was wearing a lanyard with Olympic branding, in the VIP area at the venue, according to the MailOnline.

Duarte tweeted in Portuguese to say her night with the sprinter was "not a big deal" and "normal", admitting she had not realized who the athlete was until her friend pointed it out.

Bolt, who has been dating his Jamaican girlfriend Kasi Bennett for two years, was also photographed dancing with another woman during his 30th birthday in Rio.

This comes a day after the athlete's sister, Christine Bolt-Hylton, toldThe Sun she that Bolt and his girlfriend are serious and expects the couple to get engaged on his return to the UK.

Kasi Bennett (below) has been with Bolt for two years.