Harry and Kendall hit the slopes

Kendall Jenner and Harry Styles with a fan. Picture: allieconnolly/Instagram

Despite previously insisting they are not an item, Harry Styles and Kendall Jenner were spotted out for a second time this week after they hit the slopes in Mammoth, California for a spot of skiing.

The duo is said to have arrived in the winter destination on New Year's Day with a group of friends, with one source commenting the One Direction star could not keep his eyes of the Keeping Up with the Kardashians bombshell.

"Kendall snowboarded and Harry skied. They were very cute together. There was a lot of flirting and smiling going on," a source told People magazine.

"Harry was a gentleman and even offered to carry Kendall's snowboard to the ski lift."

Earlier in the trip, the pair prepared for their alpine adventures by visiting a snowboard shop, where they posed for separate photos with a female fan.

"Casually hanging out with Kendall Jenner and Harry Styles. #dying. (sic)," the fan captioned one snap.

Despite a number of meet-ups - including Styles, 19, jetting from the south of France to London to see Jenner, 18, instead of partying with his bandmates last month - the pair still deny they are dating.

When quizzed by US talk show host Piers Morgan on the status of their relationship, Styles simply replied: "Dunno."