Christian Bale shows off his sweet side helping Natalie Portman with her hair on the set of new film... but he might need to work on his tender touch By SARAH FITZMAURICE (MAIL)

He is known for his roles in American Psycho and as Batman so playing a part in a love story isn't something fans are used to seeing from Christian Bale.

The 38-year-old actor was seen filming sickly sweet scenes for his latest flick Knight of Cups alongside Natalie Portman, who appears to be playing his on screen love interest.

Christian was seen tying up his co-star's hair as they stood by the surf in Malibu.

But it appears the actor is not used to dealing with a woman's tresses and judging from the grimace on Natalie's face he wasn't using such a tender touch. 

Perhaps the actor needs to tap into his feminine side after playing such macho roles in the past. 

The pair were also seen strolling along the sand and holding hands together which camera crews captured their chemistry.

READ MORE:  http://www.dailymail.co.uk/tvshowbiz/article-2152713/Christian-Bale-shows-sweet-helping-Natalie-Portman-hair-set-new-film--need-work-tender-touch.html