Barcelona secured a record sixth piece of silverware this season with a 2-1 extra-time victory over Estudiantes in the Club World Cup in Abu Dhabi.
Lionel Messi's 110th-minute goal capped a stunning comeback by Barca afterthey had trailed since the 39th minute.
Mauro Bosselli gave Estudiantes the lead before substitute Pedro Rodriguezequalised with a minute to go.
The Catalan side have also won La Liga, the Copa del Rey, Champions Leagueand European and Spanish Super Cup titles.
This was the second time in succession in the competition that Barcelonahave had to come back from a deficit to earn victory after they fought back tobeat Atlante in the semis.