United Kingdom, Feb. 4 -- Colin Farrell has joked his "hips don't lie" as he approaches his 50th birthday.

The Penguin actor will hit the milestone age in May this year, and he joked while his "spirit doesn't feel" like he's almost 50, his body isn't letting him forget.

He told Extra: "5-0, half a century, man! I mean, my hips feel like it... Hips don't lie. Hips, knees, all that good stuff.

"My spirit doesn't feel, I don't know what a 50 year old spirit should feel like... I have no idea."

Colin insisted he's got no big plans to celebrate five decades of life, besides potentially a quiet few days in the great outdoors.

He added: "I'm not going to do anything. Very little. Very little.

"I might take myself away to a motel for a few ...