Former Arsenal manager George Graham has told talkSPORT that Gunners midfielder Jack Wilshere needs to "get his act together."
Wilshere, 22, was photographed smoking and drinking while on holiday -- behaviour Graham has condemned.
Graham, who led the Gunners to two league titles, believes Arsenal boss Arsene Wenger will speak to the England international about his behaviour.
The Scot said: "Arsene Wenger is the right man to deal with it. He wants a person to not only train well and eat well, but behave well.
"After the bad publicity shots in the newspapers, somebody has got to have a word with him, and I think Arsene Wenger will do.
"His career has not gone anywhere in the last 18 months. The papers now want any sort of publicity of players misbehaving, and he has got to get his act together.
"Arsene Wenger has to have a word with Jack and tell him the responsibility he has now got. They were talking about him being a future Arsenal captain, and a captain shouldn't be acting like that."