I thought it was usually the other way around, the younger player copies what the older player is doing, wearing, or even their hairstyle. In this case though, it looks like Robinho has decided to get the Neymar haircut. Looks pretty good.
If you're as good as these two Brazilians you can wear your hair anyway you want, as long as it's not the Ronaldo hair patch in the front of your head.
I wonder if they're talking about Wayne Rooney, and how he got a hair transplant? In the second picture down below, it's like Robinho saying, 'did you see what Rooney did? Those English players are crazy.' Neymar then laugh it off, 'yeah, they wish they could style their hair like a Brazilian.' Robinho then says, 'Rooney can play the game though, he's a baller, yo.'
The Neymar Haircut
Here's the Neymar haircut - his hair actually looks even longer though on top now. He might just give Cristiano Ronaldo a run for his money, in terms of how much hair gel he uses: