Justin Timberlake and Jessica Biel have fuelled reports they are a couple after the actress flew to the Sundance Film Festival in Utah on Wednesday to be with the Sexyback singer.

News of a romance between the couple began circulating after the Golden Globe Awards when Timberlake and Biel spent hours together at the post-show party hosted by Prince in Los Angeles.

Timberlake’s ex, Cameron Diaz, was reportedly so upset by seeing her former boyfriend chatting to The Illusionist star, she confronted him about his new friendship at the party.