"Any selfies you do make sure you go a nice bit of blue steel, you know what I mean? One eyebrow slightly upper than the other," he told Capital FM.
"Squint the eyes a little bit and a little bit of a smile - that aways gets them going.
"And confidence, like lots of confidence. You can always bring confidence back but you gotta just put it right up front you know what I mean?”
However, the Luther star didn't always have it easy. Elba reveals he struggled with his appearance when he was younger.
“I was very tall and skinny. And my name was Idrissa Akuna Elba, okay? I got picked on a little bit. But as soon as I could grow a moustache, I was the coolest kid on the block. Grew a moustache, had some muscles, bonkers," Elba continues.
“Life isn’t about thinking about what you should have done. I think everyone should adopt the philosophy that tomorrow is not promised so just go for it today, man. You might as well do it to your heart’s content.”
If you're looking to catch her eye on social media, fortunately a new bit of science revealed what women actually want to see on your 'gram.