The 38-year-old 12 Years a Slave star was spotted kissing the unidentified young woman while on a romantic stroll Tuesday in New York City.
The Oscar-nominated actor and the brunette beauty were seen walking side-by-side on the streets of the Big Apple and even stopped for a steamy kiss.
His rumoured new ladylove looked very fashionable in a black cashmere coat over a grey top and skinny black jeans tucked into black leather booties.
She accessorised with a stylish black leather backpack while holding onto a rather large, white notebook.
Her straight brunette tresses were worn down in a middle-mart flowing over her shoulders as she let her natural looks show with complimentary make-up on her face.
This wasn’t the first time these two have enjoyed a romantic stroll as they were spotted hand-in-hand in the Big Apple last month on September 26.
Chiwetel recently got out of a relationship as he split from his former girlfriend Sari Mercer around two months ago.
The British-Nigerian actor and the Canadian model/actress parted ways a matter of weeks ago.
As he is coming off the success of The Martian, his acting career continues to blossom as he has three films set for release through 2016.
With The Martian in the bag, Chiwetel, who is lead actor in the film adaptation of Chimamanda Ngozi Adichie’s Half of a Yellow Sun, is set to star in mystery/thriller Secret in Their Eyes alongside an all-star cast including Nicole Kidman, Julia Roberts, Lyndon Smith, Dean Norris and Michael Kelly.