The former PSV and Manchester United player had long been linked with a move to Camp Nou.
Barca was linked last year and again in January but the winger has finally reunited with former Netherlands boss Ronald Koeman.
The Dutch have finally signed a deal of two years contract with Barcelona
The 27-year-old winger has joined on a free transfer after running down his contract at Lyon. The attacker is the fourth player to join the Spanish side this summer, following Sergio Aguero and Eric Garcia, who were both signed after leaving Manchester City, and Emerson Royal.
The former PSV and Manchester United player had long been linked with a move to Camp Nou.
Ada Peter
